{"title":"BASE","description":"","products":[{"product_id":"sirio-gain-master-5-8","title":"Sirio Gain Master 5\/8 Wave Base CB \u0026 10m Antenna 500W Continuous, No Tuning, 25.5-30MHz","description":"\u003cp\u003eThe \u003cstrong\u003eSirio Gain Master 5\/8\u003c\/strong\u003e is a premium, centre-fed 5\/8 wave base station antenna engineered in Italy for CB 27MHz and 10-metre amateur radio use. Covering the full 25.5–30 MHz range with \u003cstrong\u003eno tuning required\u003c\/strong\u003e, it delivers 1–2 dB more gain than conventional 5\/8λ antennas and handles up to 500W continuous (CW) — making it one of the most capable base antennas available at this price point. Updated in 2024 with a new plastic reinforcement sleeve for added durability. Standing at an impressive 7360mm (24.15ft) tall and designed for on-mast mounting, it's built from anodised aluminium, copper, stainless steel, fibreglass, and UV-stabilised thermoplastic to withstand years of outdoor use.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e500W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003eFull 25.5–30 MHz coverage — no tuning required\u003c\/li\u003e\n\u003cli\u003e1–2 dB gain advantage over conventional 5\/8λ antennas\u003c\/li\u003e\n\u003cli\u003eCompatible with CB 27MHz \u0026amp; 10-metre amateur radio\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003e0.625λ centre feed design for superior performance\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 7360mm \/ 24.15ft\u003c\/li\u003e\n\u003cli\u003e2024 update: new plastic reinforcement sleeve\u003c\/li\u003e\n\u003cli\u003ePremium materials: anodised aluminium, copper, stainless steel, fibreglass \u0026amp; UV-stabilised thermoplastic\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 0.625λ centre feed base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eFrequency range: 25.5–30 MHz (no tuning required)\u003c\/li\u003e\n\u003cli\u003eSystems: CB 27MHz \/ 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 1–2 dB above conventional 5\/8λ\u003c\/li\u003e\n\u003cli\u003eMax power: 500W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 7360mm \/ 24.15ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Anodised aluminium, copper, stainless steel, fibreglass, UV-stabilised thermoplastic\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the Sirio Gain Master 5\/8 require tuning?\u003c\/strong\u003e\u003cbr\u003eNo. It covers the full 25.5–30 MHz range with no tuning required, making it ready to use straight out of the box across all CB 27MHz and 10m amateur channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used for both CB and 10m amateur radio?\u003c\/strong\u003e\u003cbr\u003eYes. The antenna covers both CB 27MHz and the 10-metre amateur band (28–29.7 MHz) within its 25.5–30 MHz range, making it a versatile choice for licensed amateurs and CB operators alike.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the gain advantage over a standard 5\/8 wave antenna?\u003c\/strong\u003e\u003cbr\u003eThe Gain Master delivers 1–2 dB more gain than a conventional 5\/8λ antenna, thanks to its 0.625λ centre-fed design which optimises the radiation pattern for improved range and signal strength.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mast diameter is required for mounting?\u003c\/strong\u003e\u003cbr\u003eThe Gain Master is designed for on-mast mounting. Sirio recommends a mast diameter compatible with their standard clamps — typically 30–60mm. Check the included hardware or Sirio’s documentation for the exact clamp specification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat coax connector does it use?\u003c\/strong\u003e\u003cbr\u003eIt uses an SO-239 (UHF-Female) connector, which accepts a standard PL-259 plug — the most common connector used with HF coaxial feedlines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow tall is the antenna and will it need planning permission?\u003c\/strong\u003e\u003cbr\u003eThe antenna stands 7360mm (approximately 24.15ft \/ 7.36m) tall. In the UK, amateur radio antenna installations may be subject to permitted development rights. We recommend checking with your local planning authority if you are unsure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for permanent outdoor installation?\u003c\/strong\u003e\u003cbr\u003eYes. It is constructed from anodised aluminium, copper, stainless steel, fibreglass, and UV-stabilised thermoplastic — all materials chosen for long-term outdoor durability and corrosion resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum power it can handle?\u003c\/strong\u003e\u003cbr\u003eThe Gain Master is rated at 500W continuous (CW), making it suitable for high-power HF transceivers and linear amplifiers used on CB and 10m.\u003c\/p\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48209326276952,"sku":"SIRIO-GAIN-MASTER-5\/8","price":179.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1_2e00f3a2-3384-4bee-b5f7-95110510ffe6.jpg?v=1714559123"},{"product_id":"sirio-gain-master-1-2","title":"Sirio Gain Master 1\/2 Wave Base 10m Ham Antenna 500W Continuous, No Tuning, 27.2-30MHz","description":"\u003cp\u003eThe \u003cstrong\u003eSirio Gain Master 1\/2\u003c\/strong\u003e is a high-performance, centre-fed 1\/2 wave base station antenna engineered in Italy for 10-metre amateur radio use. Covering 27.2–30 MHz with \u003cstrong\u003eno tuning required\u003c\/strong\u003e, it delivers 0 dBd (2.15 dBi) gain and handles up to 500W continuous (CW) — a serious antenna for serious 10m HAM operators. Updated in 2024 with a new plastic reinforcement sleeve for added durability. Standing at 5560mm (18.24ft) tall and designed for on-mast mounting, it's built from anodised aluminium, copper, stainless steel, fibreglass, and UV-stabilised thermoplastic to withstand years of outdoor use.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e500W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003e27.2–30 MHz coverage — no tuning required\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥1.8 MHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eDesigned for 10m amateur (HAM) radio\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003e1\/2λ centre feed design\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 5560mm \/ 18.24ft\u003c\/li\u003e\n\u003cli\u003e2024 update: new plastic reinforcement sleeve\u003c\/li\u003e\n\u003cli\u003ePremium materials: anodised aluminium, copper, stainless steel, fibreglass \u0026amp; UV-stabilised thermoplastic\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 1\/2λ centre feed base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eFrequency range: 27.2–30 MHz (no tuning required)\u003c\/li\u003e\n\u003cli\u003eSystems: 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥1.8 MHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eMax power: 500W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 5560mm \/ 18.24ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Anodised aluminium, copper, stainless steel, fibreglass, UV-stabilised thermoplastic\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48222112579928,"sku":"SIRIO-GAIN-MASTER-1\/2","price":139.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/hw1.jpg?v=1714744073"},{"product_id":"sirio-827","title":"Sirio 827 Base CB \u0026 10m Ham Antenna 3000W Peak, Tunable 26.4-28.4MHz, 5\/8λ Ground Plane","description":"\u003cp\u003eThe \u003cstrong\u003eSirio 827\u003c\/strong\u003e is a high-power, 5\/8λ ground plane base station antenna engineered in Italy for CB 27MHz and 10-metre amateur radio use. With 1000W continuous power handling (3000W short time CW), a tunable frequency range of 26.4–28.4 MHz, and a gain of 1.5 dBd (3.65 dBi), it's built for operators who demand maximum range and signal strength from their base installation. Standing at an impressive 6700mm (21.98ft) tall and designed for on-mast mounting, it's constructed from aluminium, copper, galvanised steel, and nylon for robust, long-lasting outdoor performance.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1000W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003e3000W short time power handling (CW)\u003c\/li\u003e\n\u003cli\u003eTunable frequency range: 26.4–28.4 MHz\u003c\/li\u003e\n\u003cli\u003eCompatible with CB 27MHz \u0026amp; 10-metre amateur radio\u003c\/li\u003e\n\u003cli\u003eGain: 1.5 dBd \/ 3.65 dBi\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003e5\/8λ ground plane design for superior gain\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 6700mm \/ 21.98ft\u003c\/li\u003e\n\u003cli\u003eDurable materials: aluminium, copper, galvanised steel \u0026amp; nylon\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 5\/8λ ground plane base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26.4–28.4 MHz (tunable)\u003c\/li\u003e\n\u003cli\u003eSystems: CB 27MHz \/ 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 1.5 dBd \/ 3.65 dBi\u003c\/li\u003e\n\u003cli\u003eMax power: 3000W peak (CW short time) | 1000W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 6700mm \/ 21.98ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Aluminium, copper, galvanised steel, nylon\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48222305091928,"sku":"SIRIO-827","price":129.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1_d982f33f-0e72-421d-bbdd-12329500ea4e.jpg?v=1714746299"},{"product_id":"sirio-2016","title":"Sirio 2016 Base CB \u0026 10m Ham Antenna 3000W Peak, Tunable 26.4-28.2MHz, 5\/8λ Ground Plane","description":"\u003cp\u003eThe \u003cstrong\u003eSirio 2016\u003c\/strong\u003e is a high-power, 5\/8λ ground plane base station antenna engineered in Italy for CB 27MHz and 10-metre amateur radio use. With 1000W continuous power handling (3000W short time CW), a tunable frequency range of 26.4–28.2 MHz, a bandwidth of ≥2.1 MHz at SWR ≤2, and a gain of 1.3 dBd (3.45 dBi), it delivers excellent range and signal strength from your base installation. Standing at 6100mm (20.01ft) tall and designed for on-mast mounting, it's constructed from aluminium, copper, galvanised steel, and nylon for robust, long-lasting outdoor performance.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1000W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003e3000W short time power handling (CW)\u003c\/li\u003e\n\u003cli\u003eTunable frequency range: 26.4–28.2 MHz\u003c\/li\u003e\n\u003cli\u003eCompatible with CB 27MHz \u0026amp; 10-metre amateur radio\u003c\/li\u003e\n\u003cli\u003eGain: 1.3 dBd \/ 3.45 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥2.1 MHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003e5\/8λ ground plane design for superior gain\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 6100mm \/ 20.01ft\u003c\/li\u003e\n\u003cli\u003eDurable materials: aluminium, copper, galvanised steel \u0026amp; nylon\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 5\/8λ ground plane base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26.4–28.2 MHz (tunable)\u003c\/li\u003e\n\u003cli\u003eSystems: CB 27MHz \/ 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 1.3 dBd \/ 3.45 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥2.1 MHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eMax power: 3000W peak (CW short time) | 1000W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 6100mm \/ 20.01ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Aluminium, copper, galvanised steel, nylon\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48241396679000,"sku":"SIRIO-2016","price":149.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1_d627d42e-d22d-4269-8bbb-e594d1f2d6a2.jpg?v=1715164664"},{"product_id":"sirio-new-tornado","title":"Sirio New Tornado 2024 Base CB \u0026 10m Ham Antenna 3000W Peak, Tunable 27-30MHz, 5\/8λ Ground Plane","description":"\u003cp\u003eThe \u003cstrong\u003eSirio New Tornado 2024\u003c\/strong\u003e is a powerful, 5\/8λ ground plane base station antenna engineered in Italy for CB 27MHz and 10-metre amateur radio use. With 1000W continuous power handling (3000W short time CW), a tunable frequency range of 27–30 MHz, a bandwidth of ≥1.3 MHz at SWR ≤2, and a gain of 1.2 dBd (3.35 dBi), it's a serious performer for any base station setup. Standing at an impressive 7230mm (23.72ft) tall and designed for on-mast mounting, the 2024 version is built from aluminium, brass, galvanised steel, and UV-stabilised thermoplastic for outstanding durability in all weather conditions.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1000W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003e3000W short time power handling (CW)\u003c\/li\u003e\n\u003cli\u003eTunable frequency range: 27–30 MHz\u003c\/li\u003e\n\u003cli\u003eCompatible with CB 27MHz \u0026amp; 10-metre amateur radio\u003c\/li\u003e\n\u003cli\u003eGain: 1.2 dBd \/ 3.35 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥1.3 MHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003e5\/8λ ground plane design for superior gain\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 7230mm \/ 23.72ft\u003c\/li\u003e\n\u003cli\u003e2024 updated version\u003c\/li\u003e\n\u003cli\u003eDurable materials: aluminium, brass, galvanised steel \u0026amp; UV-stabilised thermoplastic\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 5\/8λ ground plane base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eFrequency range: 27–30 MHz (tunable)\u003c\/li\u003e\n\u003cli\u003eSystems: CB 27MHz \/ 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 1.2 dBd \/ 3.35 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥1.3 MHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eMax power: 3000W peak (CW short time) | 1000W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 7230mm \/ 23.72ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Aluminium, brass, galvanised steel, UV-stabilised thermoplastic\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48255259672920,"sku":"SIRIO-NEW-TORNADO","price":79.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1_ba5d50ac-d72a-4014-a6ce-c0039c53116e.jpg?v=1715348657"},{"product_id":"sirio-boomerang-a","title":"Sirio Boomerang A Base CB \u0026 10m Ham Antenna 900W Peak, Tunable 26.8-27.6MHz, 1\/4λ Ground Plane","description":"\u003cp\u003eThe \u003cstrong\u003eSirio Boomerang A\u003c\/strong\u003e is a compact, 1\/4λ ground plane boomerang base station antenna engineered in Italy for CB 27MHz and 10-metre amateur radio use. With 300W continuous power handling (900W short time CW), a tunable frequency range of 26.8–27.6 MHz, a bandwidth of ≥800 kHz at SWR ≤2, and a gain of 0 dBd (2.15 dBi), it's an ideal entry-level base antenna for operators who want reliable performance without the height of a full-size 5\/8λ. Standing at 3600mm (11.81ft) tall and designed for on-mast mounting, it's constructed from aluminium, copper, galvanised steel, fibreglass, and nylon for durable outdoor use.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e300W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003e900W short time power handling (CW)\u003c\/li\u003e\n\u003cli\u003eTunable frequency range: 26.8–27.6 MHz\u003c\/li\u003e\n\u003cli\u003eCompatible with CB 27MHz \u0026amp; 10-metre amateur radio\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥800 kHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003e1\/4λ ground plane boomerang design\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 3600mm \/ 11.81ft\u003c\/li\u003e\n\u003cli\u003eDurable materials: aluminium, copper, galvanised steel, fibreglass \u0026amp; nylon\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 1\/4λ ground plane boomerang base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26.8–27.6 MHz (tunable)\u003c\/li\u003e\n\u003cli\u003eSystems: CB 27MHz \/ 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥800 kHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eMax power: 900W peak (CW short time) | 300W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 3600mm \/ 11.81ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Aluminium, copper, galvanised steel, fibreglass, nylon\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48255312494936,"sku":"SIRIO-BOOMERANG-A","price":33.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/A_95469be9-4bf4-4d20-a54e-67ff5016f9e7.jpg?v=1715349334"},{"product_id":"sirio-boomerang-w","title":"Sirio Boomerang W Base CB \u0026 10m Ham Antenna 900W Peak, Tunable 26.8-27.6MHz, 1\/4λ Ground Plane","description":"\u003cp\u003eThe \u003cstrong\u003eSirio Boomerang W\u003c\/strong\u003e is a compact, 1\/4λ ground plane boomerang base station antenna engineered in Italy for CB 27MHz and 10-metre amateur radio use. Sharing the same proven electrical design as the Boomerang A, it offers 300W continuous power handling (900W short time CW), a tunable frequency range of 26.8–27.6 MHz, a bandwidth of ≥800 kHz at SWR ≤2, and a gain of 0 dBd (2.15 dBi) — but in a more compact 2180mm (7.15ft) package, making it ideal where space or planning restrictions limit antenna height. Designed for on-mast mounting and constructed from aluminium, copper, galvanised steel, fibreglass, and nylon for durable outdoor use.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e300W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003e900W short time power handling (CW)\u003c\/li\u003e\n\u003cli\u003eTunable frequency range: 26.8–27.6 MHz\u003c\/li\u003e\n\u003cli\u003eCompatible with CB 27MHz \u0026amp; 10-metre amateur radio\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥800 kHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003eCompact 1\/4λ ground plane boomerang design\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 2180mm \/ 7.15ft — ideal for space-restricted installations\u003c\/li\u003e\n\u003cli\u003eDurable materials: aluminium, copper, galvanised steel, fibreglass \u0026amp; nylon\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 1\/4λ ground plane boomerang base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26.8–27.6 MHz (tunable)\u003c\/li\u003e\n\u003cli\u003eSystems: CB 27MHz \/ 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥800 kHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eMax power: 900W peak (CW short time) | 300W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 2180mm \/ 7.15ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Aluminium, copper, galvanised steel, fibreglass, nylon\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48255333663064,"sku":"SIRIO-BOOMERANG-W","price":44.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/W.jpg?v=1715349486"},{"product_id":"sirio-signal-keeper","title":"Sirio Signal Keeper Base CB \u0026 10m Ham Antenna 300W Peak, Tunable 26-28MHz, 1\/4λ Ground Plane","description":"\u003cp\u003eThe \u003cstrong\u003eSirio Signal Keeper\u003c\/strong\u003e is a neat, 1\/4λ base-loaded ground plane base station antenna engineered in Italy for CB 27MHz and 10-metre amateur radio use. With 100W continuous power handling (300W short time CW), a wide tunable frequency range of 26–28 MHz, a bandwidth of ≥800 kHz at SWR ≤2, and a gain of 0 dBd (2.15 dBi), it's a compact and versatile base antenna suited to home, office, or portable mast installations. Standing at 2370mm (7.78ft) tall and designed for on-mast mounting, it's constructed from aluminium, chromed brass, stainless steel, nylon, and zamak for a quality finish and long-lasting durability.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003e300W short time power handling (CW)\u003c\/li\u003e\n\u003cli\u003eWide tunable frequency range: 26–28 MHz\u003c\/li\u003e\n\u003cli\u003eCompatible with CB 27MHz \u0026amp; 10-metre amateur radio\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥800 kHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003e1\/4λ base-loaded ground plane design\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 2370mm \/ 7.78ft\u003c\/li\u003e\n\u003cli\u003ePremium materials: aluminium, chromed brass, stainless steel, nylon \u0026amp; zamak\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 1\/4λ base-loaded ground plane base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26–28 MHz (tunable)\u003c\/li\u003e\n\u003cli\u003eSystems: CB 27MHz \/ 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥800 kHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eMax power: 300W peak (CW short time) | 100W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 2370mm \/ 7.78ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Aluminium, chromed brass, stainless steel, nylon, zamak\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48255350145368,"sku":"SIRIO-SIGNAL-KEEPER","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1_ae9d5467-93e7-48c0-9993-bdacd7cf500a.jpg?v=1715349832"},{"product_id":"sirio-yagi-3","title":"Sirio Yagi 3 (SY-3) CB \u0026 10m Ham Beam Antenna 1000W Continuous, 8.5dBd Gain, Tunable 26.5-30MHz","description":"\u003cp\u003eThe \u003cstrong\u003eSirio Yagi 3 (SY-3)\u003c\/strong\u003e is a high-gain, 3-element Yagi beam antenna engineered in Italy for CB 27MHz and 10-metre amateur radio use. With a massive 8.5 dBd (10.65 dBi) gain, 1000W continuous power handling (3000W short time CW), a tunable frequency range of 26.5–30 MHz, and a bandwidth of ≥1.2 MHz at SWR ≤2, it's the antenna of choice for operators who demand maximum directional performance and DX range. All metal parts are DC-grounded with capacitive coupling on the inner conductor for excellent lightning protection. Designed for on-mast mounting, it measures 5942 x 2710 mm and delivers outstanding front-to-back ratio and signal focus.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1000W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003e3000W short time power handling (CW)\u003c\/li\u003e\n\u003cli\u003eGain: 8.5 dBd \/ 10.65 dBi — exceptional directional performance\u003c\/li\u003e\n\u003cli\u003eTunable frequency range: 26.5–30 MHz\u003c\/li\u003e\n\u003cli\u003eCompatible with CB 27MHz \u0026amp; 10-metre amateur radio\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥1.2 MHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003e3-element Yagi directional design\u003c\/li\u003e\n\u003cli\u003eLinear horizontal polarisation\u003c\/li\u003e\n\u003cli\u003eDC-grounded metal parts with capacitive inner conductor coupling\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eDimensions: 5942 x 2710 x 100 mm \/ 19.49 x 8.89 x 0.33 ft\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 3-element Yagi beam antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Directional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear horizontal\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26.5–30 MHz (tunable)\u003c\/li\u003e\n\u003cli\u003eSystems: CB 27MHz \/ 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 8.5 dBd \/ 10.65 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥1.2 MHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eMax power: 3000W peak (CW short time) | 1000W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eDimensions: 5942 x 2710 x 100 mm\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eConstruction: DC-grounded metal parts, capacitively coupled inner conductor\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48258255749464,"sku":"SIRIO-YAGI-3","price":119.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1_a923eb5d-a6ef-4fde-a9a0-ec89e7378c78.jpg?v=1715415160"},{"product_id":"sirio-yagi-4","title":"Sirio Yagi 4 (SY-4) CB \u0026 10m Ham Beam Antenna | 1000W Continuous, 11dBd Gain, Tunable 26.5-30MHz","description":"\u003cp\u003eThe \u003cstrong\u003eSirio Yagi 4 (SY-4)\u003c\/strong\u003e is a professional-grade, 4-element Yagi beam antenna engineered in Italy for CB 27MHz and 10-metre amateur radio use. Delivering an outstanding 11 dBd (13.15 dBi) gain — 2.5 dBd more than the 3-element SY-3 — with 1000W continuous power handling (3000W short time CW), a tunable frequency range of 26.5–30 MHz, and a bandwidth of ≥850 kHz at SWR ≤2, it's the ultimate choice for serious DX operators who demand maximum directional performance and long-range signal reach. Designed for on-mast mounting, it measures 5846 x 4030 mm and is constructed from aluminium, galvanised steel, and zamak for robust, long-lasting outdoor use.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1000W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003e3000W short time power handling (CW)\u003c\/li\u003e\n\u003cli\u003eGain: 11 dBd \/ 13.15 dBi — superior DX performance\u003c\/li\u003e\n\u003cli\u003eTunable frequency range: 26.5–30 MHz\u003c\/li\u003e\n\u003cli\u003eCompatible with CB 27MHz \u0026amp; 10-metre amateur radio\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥850 kHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003e4-element Yagi directional design\u003c\/li\u003e\n\u003cli\u003eLinear horizontal polarisation\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eDimensions: 5846 x 4030 x 100 mm \/ 19.18 x 13.22 x 0.33 ft\u003c\/li\u003e\n\u003cli\u003eDurable materials: aluminium, galvanised steel \u0026amp; zamak\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 4-element Yagi beam antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Directional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear horizontal\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26.5–30 MHz (tunable)\u003c\/li\u003e\n\u003cli\u003eSystems: CB 27MHz \/ 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 11 dBd \/ 13.15 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥850 kHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eMax power: 3000W peak (CW short time) | 1000W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eDimensions: 5846 x 4030 x 100 mm\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Aluminium, galvanised steel, zamak\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48258279932248,"sku":"SIRIO-YAGI-4","price":134.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1_6f32cdac-0456-4df9-ac1a-23294167153e.jpg?v=1715415656"},{"product_id":"sirio-sd-dipole","title":"Sirio SD-Dipole CB \u0026 10m Ham Base Antenna 1000W Continuous, Wide-Band 26.5-30MHz, 1\/2λ Dipole","description":"\u003cp\u003eThe \u003cstrong\u003eSirio SD-Dipole\u003c\/strong\u003e is a full-size, 1\/2λ horizontal dipole base antenna engineered in Italy for CB 27MHz and 10-metre amateur radio use. With 1000W continuous power handling (3000W short time CW), an exceptionally wide tunable frequency range of 26.5–30 MHz, and a standout bandwidth of ≥3.5 MHz at SWR ≤2, it's one of the broadest-bandwidth antennas in the Sirio range — ideal for operators who want to cover the full CB and 10m band without constant retuning. Delivering 0 dBd (2.15 dBi) gain with omnidirectional radiation, it measures 5582mm (18.31ft) and is designed for on-mast mounting. Constructed from aluminium, galvanised steel, and zamak for robust outdoor performance.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1000W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003e3000W short time power handling (CW)\u003c\/li\u003e\n\u003cli\u003eExceptionally wide bandwidth: ≥3.5 MHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eTunable frequency range: 26.5–30 MHz\u003c\/li\u003e\n\u003cli\u003eCompatible with CB 27MHz \u0026amp; 10-metre amateur radio\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear horizontal polarisation\u003c\/li\u003e\n\u003cli\u003e1\/2λ dipole design\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 5582mm \/ 18.31ft\u003c\/li\u003e\n\u003cli\u003eDurable materials: aluminium, galvanised steel \u0026amp; zamak\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 1\/2λ dipole base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear horizontal\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26.5–30 MHz (tunable)\u003c\/li\u003e\n\u003cli\u003eSystems: CB 27MHz \/ 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥3.5 MHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eMax power: 3000W peak (CW short time) | 1000W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 5582mm \/ 18.31ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Aluminium, galvanised steel, zamak\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48258318336344,"sku":"SIRIO-DIPILE","price":64.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1_9641a5d8-5c58-4439-a900-982ee44df1a1.jpg?v=1715416867"},{"product_id":"sirio-starduster-m-400","title":"Sirio Starduster M-400 Base CB \u0026 10m Ham Antenna 1000W Continuous, Tunable 26.5-30MHz, 1\/4λ Ground Plane","description":"\u003cp\u003eThe \u003cstrong\u003eSirio Starduster M-400\u003c\/strong\u003e is a classic, high-power 1\/4λ ground plane base station antenna engineered in Italy for CB 27MHz and 10-metre amateur radio use. With 1000W continuous power handling (3000W short time CW), a tunable frequency range of 26.5–30 MHz, and a generous bandwidth of ≥2 MHz at SWR ≤2, it delivers reliable omnidirectional performance across the full CB and 10m band. Standing at 5040mm (16.54ft) tall and designed for on-mast mounting, it's constructed from aluminium, chromed brass, and nylon — a proven combination that has made the Starduster a long-standing favourite among CB and HAM operators worldwide.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1000W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003e3000W short time power handling (CW)\u003c\/li\u003e\n\u003cli\u003eTunable frequency range: 26.5–30 MHz\u003c\/li\u003e\n\u003cli\u003eCompatible with CB 27MHz \u0026amp; 10-metre amateur radio\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥2 MHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003e1\/4λ ground plane design\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 5040mm \/ 16.54ft\u003c\/li\u003e\n\u003cli\u003eQuality materials: aluminium, chromed brass \u0026amp; nylon\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 1\/4λ ground plane base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26.5–30 MHz (tunable)\u003c\/li\u003e\n\u003cli\u003eSystems: CB 27MHz \/ 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥2 MHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eMax power: 3000W peak (CW short time) | 1000W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 5040mm \/ 16.54ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Aluminium, chromed brass, nylon\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48258367816024,"sku":"SIRIO-STARDUSTER-M-400","price":59.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1_7d773803-f0ad-48a0-98da-f003cffd8092.jpg?v=1715417806"},{"product_id":"sirio-thunder","title":"Sirio Thunder Base CB \u0026 10m Ham Antenna 300W Peak, No Tuning, 25-29MHz, 1\/4λ Helical","description":"\u003cp\u003eThe \u003cstrong\u003eSirio Thunder\u003c\/strong\u003e is a compact, 1\/4λ helical-loaded base station antenna engineered in Italy for CB 27MHz and 10-metre amateur radio use. With an exceptional bandwidth of ≥5 MHz at SWR ≤2 covering 25–29 MHz with \u003cstrong\u003eno tuning required\u003c\/strong\u003e, it's one of the most plug-and-play base antennas in the Sirio range — perfect for operators who want reliable, hassle-free performance straight out of the box. With 100W continuous power handling (300W short time CW) and a gain of 0 dBd (2.15 dBi), it stands at just 960mm (3.15ft) tall, making it ideal for space-restricted installations. Designed for on-mast mounting and constructed from aluminium, copper, galvanised steel, and nylon.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003e300W short time power handling (CW)\u003c\/li\u003e\n\u003cli\u003e25–29 MHz coverage — no tuning required\u003c\/li\u003e\n\u003cli\u003eExceptional bandwidth: ≥5 MHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eCompatible with CB 27MHz \u0026amp; 10-metre amateur radio\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003eCompact 1\/4λ helical loaded design\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 960mm \/ 3.15ft — ideal for space-restricted installations\u003c\/li\u003e\n\u003cli\u003eDurable materials: aluminium, copper, galvanised steel \u0026amp; nylon\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 1\/4λ helical loaded base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eFrequency range: 25–29 MHz (no tuning required)\u003c\/li\u003e\n\u003cli\u003eSystems: CB 27MHz \/ 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eBandwidth: ≥5 MHz @ SWR ≤2\u003c\/li\u003e\n\u003cli\u003eMax power: 300W peak (CW short time) | 100W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 960mm \/ 3.15ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Aluminium, copper, galvanised steel, nylon\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48258409726296,"sku":"SIRIO-THUNDER","price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1_a85ab711-142f-4f2c-903e-73cda9cc428c.jpg?v=1715418786"},{"product_id":"sirio-sd-1300-u","title":"Sirio SD 1300 U Discone Base Antenna RX 25-1300MHz, Multi-Band TX, CB, VHF, UHF, Marine, Air","description":"\u003cp\u003eThe \u003cstrong\u003eSirio SD 1300 U\u003c\/strong\u003e is a professional-grade discone base station antenna engineered in Italy for wideband receive and multi-band transmit use. With a receive range of 25–1300 MHz and transmit capability across multiple bands including CB 27MHz, 6m HAM, 2m HAM, 70cm HAM, VHF Airband, VHF Marine, AIS 162MHz, TETRA, LTE-450, 4G-LTE, and ISM\/SIGFOX\/LoRa 433MHz, it's the ultimate all-in-one monitoring and communications antenna. Handling up to 300W VHF and 200W UHF, standing at 1600mm (5.25ft) tall, and built from chromed brass, stainless steel, and nylon, it's a compact yet extraordinarily capable antenna for any serious radio installation.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReceive: 25–1300 MHz wideband coverage\u003c\/li\u003e\n\u003cli\u003eTransmit bands (@ SWR ≤2): 49.5–50.5, 120–180, 215–300, 415–465, 610–650, 710–1000, 1130–1300 MHz\u003c\/li\u003e\n\u003cli\u003eCompatible systems: CB 27MHz, 6m HAM, 2m HAM, 70cm HAM, VHF Airband, VHF Marine, AIS 162MHz, TETRA, LTE-450, 4G-LTE, ISM\/SIGFOX\/LoRa 433MHz\u003c\/li\u003e\n\u003cli\u003eMax power: 300W VHF \/ 200W UHF\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi at lowest frequency\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003eDiscone design for exceptional wideband performance\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 1600mm \/ 5.25ft\u003c\/li\u003e\n\u003cli\u003ePremium materials: chromed brass, stainless steel \u0026amp; nylon\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Discone base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eRX frequency range: 25–1300 MHz\u003c\/li\u003e\n\u003cli\u003eTX bands (@ SWR ≤2): 49.5–50.5 \/ 120–180 \/ 215–300 \/ 415–465 \/ 610–650 \/ 710–1000 \/ 1130–1300 MHz\u003c\/li\u003e\n\u003cli\u003eMax power: VHF 300W \/ UHF 200W\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi (lowest frequency)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 1600mm \/ 5.25ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Chromed brass, stainless steel, nylon\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48258497839448,"sku":"SIRIO-1300-U","price":89.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1_1ac4f951-21a8-464c-8040-628061fa5299.jpg?v=1715420385"},{"product_id":"sirio-sd-1300-n","title":"Sirio SD 1300 N Discone Base Antenna RX 25-1300MHz, Multi-Band TX, N-Female, CB, VHF, UHF, Marine, Air","description":"\u003cp\u003eThe \u003cstrong\u003eSirio SD 1300 N\u003c\/strong\u003e is the N-connector variant of Sirio's professional-grade SD 1300 discone base station antenna, engineered in Italy for wideband receive and multi-band transmit use. Identical in performance to the SD 1300 U, it features an \u003cstrong\u003eN-Female connector\u003c\/strong\u003e for lower-loss feedline connections — making it the preferred choice for installations using LMR-400, Ecoflex, or other N-type coax. With a receive range of 25–1300 MHz and transmit capability across CB 27MHz, 6m HAM, 2m HAM, 70cm HAM, VHF Airband, VHF Marine, AIS 162MHz, TETRA, LTE-450, 4G-LTE, and ISM\/SIGFOX\/LoRa 433MHz, it handles up to 300W VHF and 200W UHF. Standing at 1600mm (5.25ft) and built from chromed brass, stainless steel, and nylon.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReceive: 25–1300 MHz wideband coverage\u003c\/li\u003e\n\u003cli\u003eTransmit bands (@ SWR ≤2): 49.5–50.5, 120–180, 215–300, 415–465, 610–650, 710–1000, 1130–1300 MHz\u003c\/li\u003e\n\u003cli\u003eCompatible systems: CB 27MHz, 6m HAM, 2m HAM, 70cm HAM, VHF Airband, VHF Marine, AIS 162MHz, TETRA, LTE-450, 4G-LTE, ISM\/SIGFOX\/LoRa 433MHz\u003c\/li\u003e\n\u003cli\u003eMax power: 300W VHF \/ 200W UHF\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi at lowest frequency\u003c\/li\u003e\n\u003cli\u003eN-Female connector — ideal for low-loss LMR-400 \/ Ecoflex coax installations\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003eDiscone design for exceptional wideband performance\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eHeight: 1600mm \/ 5.25ft\u003c\/li\u003e\n\u003cli\u003ePremium materials: chromed brass, stainless steel \u0026amp; nylon\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Discone base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eRX frequency range: 25–1300 MHz\u003c\/li\u003e\n\u003cli\u003eTX bands (@ SWR ≤2): 49.5–50.5 \/ 120–180 \/ 215–300 \/ 415–465 \/ 610–650 \/ 710–1000 \/ 1130–1300 MHz\u003c\/li\u003e\n\u003cli\u003eMax power: VHF 300W \/ UHF 200W\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi (lowest frequency)\u003c\/li\u003e\n\u003cli\u003eConnector: N-Female\u003c\/li\u003e\n\u003cli\u003eHeight: 1600mm \/ 5.25ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Chromed brass, stainless steel, nylon\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48258517369176,"sku":"SIRIO-1300-N","price":89.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1_d2a3ad66-2197-4495-942e-83fb973a89e7.jpg?v=1715420745"},{"product_id":"sirio-cx-144","title":"Sirio CX 144 2m Ham Base Antenna 250W, 2.15 dBi Gain, 144-148MHz, 3\/4λ Coaxial J-Pole, SO-239","description":"\u003cp\u003eThe \u003cstrong\u003eSirio CX 144\u003c\/strong\u003e is a high-quality, 3\/4λ coaxial J-pole base station antenna engineered in Italy for 2-metre amateur radio use. Covering 144–148 MHz at SWR ≤1.5, it delivers 250W CW power handling and a gain of 0 dBd (2.15 dBi) with a clean omnidirectional radiation pattern. The coaxial J-pole design provides a DC ground path, offering inherent lightning protection and eliminating the need for a separate ground plane or radials. Standing at 1620mm (5.31ft) and designed for on-mast mounting, it connects via SO-239 (UHF-Female) and is constructed from aluminium, brass, galvanised steel, and zamak for durable outdoor performance.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e250W CW power handling\u003c\/li\u003e\n\u003cli\u003eFrequency range: 144–148 MHz @ SWR ≤1.5\u003c\/li\u003e\n\u003cli\u003eOptimised for 2-metre amateur radio (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003e3\/4λ coaxial J-pole design — DC grounded, no radials required\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 1620mm \/ 5.31ft\u003c\/li\u003e\n\u003cli\u003eDurable materials: aluminium, brass, galvanised steel \u0026amp; zamak\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 3\/4λ coaxial J-pole base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eFrequency range: 144–148 MHz @ SWR ≤1.5\u003c\/li\u003e\n\u003cli\u003eSystems: 2m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eMax power: 250W CW\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 1620mm \/ 5.31ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Aluminium, brass, galvanised steel, zamak\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":48265450520920,"sku":"SIRIO-CX-144","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1_faae7129-3e24-4531-ad94-e06f8653e426.jpg?v=1715597759"},{"product_id":"sigma-venom-1-2-wave-cb-base-antenna-with-radials","title":"Venom 1\/2 Wave High Gain CB Base Antenna with 3 Radials, 4.2 dBi","description":"\u003cp\u003eThe \u003cstrong\u003eSigma Venom 1\/2 High Gain\u003c\/strong\u003e is a half-wave (λ\/2) silver rod CB base station antenna supplied \u003cstrong\u003ewith 3 radials\u003c\/strong\u003e, covering \u003cstrong\u003e26–28 MHz\u003c\/strong\u003e with a gain of \u003cstrong\u003e4.2 dBi\u003c\/strong\u003e and maximum power handling of \u003cstrong\u003e1,000 Watts\u003c\/strong\u003e. The included radials act as a counterpoise to optimise performance and achieve the slightly higher gain figure compared to the standard 1\/2λ Venom (4.2 dBi vs 4.1 dBi).\u003c\/p\u003e\n\u003cp\u003eSWR 1:1.3 at resonance. SO-239 (UHF female) connector for direct coax connection. On-mast mounting. Overall height approximately 5,350mm (17.5ft). \u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1\/2λ wave design with 3 radials for optimised performance\u003c\/li\u003e\n\u003cli\u003eGain: 4.2 dBi (vs 4.1 dBi on the standard 1\/2λ Venom)\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26–28 MHz\u003c\/li\u003e\n\u003cli\u003eSWR: 1:1.3\u003c\/li\u003e\n\u003cli\u003eMax power: 1,000W\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF female)\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eHeight: ~5,350mm (17.5ft)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCB base station installations requiring maximum performance from a half-wave antenna\u003c\/li\u003e\n\u003cli\u003e27 MHz AM\/FM\/SSB operation\u003c\/li\u003e\n\u003cli\u003eOperators wanting the highest gain from the Venom 1\/2 platform\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sigma","offers":[{"title":"Default Title","offer_id":48266916954456,"sku":"VENOM-1\/2-HIGH-GAIN","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/56-258.jpg?v=1715605747"},{"product_id":"sigma-venom-1-2-wave-cb-base-antenna","title":"Venom 1\/2 Wave High Gain CB Base Antenna, 4.1 dBi, 1000W","description":"\u003cp\u003eThe \u003cstrong\u003eSigma Venom 1\/2\u003c\/strong\u003e is a half-wave (λ\/2) high-gain silver rod CB base station antenna covering \u003cstrong\u003e26–28 MHz\u003c\/strong\u003e with a gain of \u003cstrong\u003e4.1 dBi\u003c\/strong\u003e and maximum power handling of \u003cstrong\u003e1,000 Watts\u003c\/strong\u003e. The half-wave design is voltage-fed and does not require a ground plane or radials for correct operation — making it an ideal choice for installations on non-conductive masts or where a ground plane cannot be established.\u003c\/p\u003e\n\u003cp\u003eSlightly shorter than the 5\/8λ Venom at approximately 5,350mm (17.5ft), while delivering comparable gain. SWR 1:1.3 at resonance. SO-239 (UHF female) connector for direct coax connection. On-mast mounting. UK manufactured by Sigma.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1\/2λ wave design — no ground plane or radials required\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26–28 MHz\u003c\/li\u003e\n\u003cli\u003eGain: 4.1 dBi\u003c\/li\u003e\n\u003cli\u003eSWR: 1:1.3\u003c\/li\u003e\n\u003cli\u003eMax power: 1,000W\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF female)\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eHeight: ~5,350mm (17.5ft)\u003c\/li\u003e\n\u003cli\u003eUK manufactured\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCB base station installations where no ground plane is available\u003c\/li\u003e\n\u003cli\u003eNon-conductive mast or elevated mounting positions\u003c\/li\u003e\n\u003cli\u003e27 MHz AM\/FM\/SSB operation\u003c\/li\u003e\n\u003cli\u003eOperators wanting a simpler, no-radials installation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sigma","offers":[{"title":"Default Title","offer_id":48267112644952,"sku":"VENOM-1\/2","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/56-257.jpg?v=1715607007"},{"product_id":"sigma-venom-5-8-wave-cb-base-antenna-with-radials","title":"Venom 5\/8 Wave High Gain CB Base Antenna with 3 Radials, 4.2 dBi","description":"\u003cp\u003eThe \u003cstrong\u003eSigma Venom 5\/8 High Gain\u003c\/strong\u003e is a 5\/8λ wave silver rod CB base station antenna supplied \u003cstrong\u003ewith 3 radials\u003c\/strong\u003e for installations where a natural ground plane is not available — such as non-conductive masts or elevated mounting positions. The radials provide the ground plane reference needed for correct antenna operation and optimal SWR, making this the preferred version for most mast-mounted base station setups.\u003c\/p\u003e\n\u003cp\u003eCovers \u003cstrong\u003e26–28 MHz\u003c\/strong\u003e with a gain of \u003cstrong\u003e4.2 dBi\u003c\/strong\u003e and maximum power handling of \u003cstrong\u003e1,000 Watts\u003c\/strong\u003e. The 5\/8λ wave design provides a lower radiation angle than a quarter-wave antenna, directing more signal towards the horizon for improved ground-wave CB range. SWR 1:1.3 at resonance. SO-239 (UHF female) connector. Overall height approximately 5,800mm (19ft).\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e5\/8λ wave design — lower radiation angle for improved ground-wave range\u003c\/li\u003e\n\u003cli\u003eSupplied with 3 radials for mast-mounted installations\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26–28 MHz\u003c\/li\u003e\n\u003cli\u003eGain: 4.2 dBi\u003c\/li\u003e\n\u003cli\u003eSWR: 1:1.3\u003c\/li\u003e\n\u003cli\u003eMax power: 1,000W\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF female)\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eHeight: ~5,800mm (19ft)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCB base station installations on non-conductive or elevated masts\u003c\/li\u003e\n\u003cli\u003e27 MHz AM\/FM\/SSB operation\u003c\/li\u003e\n\u003cli\u003eOperators wanting a complete ground-plane solution for mast mounting\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sigma","offers":[{"title":"Default Title","offer_id":48267229954392,"sku":"VENOM-5\/8-HIGH-GAIN","price":54.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/56-258_bc4fb0f7-66ca-481a-8f02-7519d1fb929e.jpg?v=1715608476"},{"product_id":"sigma-venom-5-8-wave-cb-base-antenna","title":"Venom 5\/8 Wave High Gain CB Base Antenna, 4.2 dBi, 1000W","description":"\u003cp\u003eThe \u003cstrong\u003eSigma Venom\u003c\/strong\u003e is a 5\/8λ wave high-gain silver rod base station antenna for the 27 MHz CB band, covering \u003cstrong\u003e26–28 MHz\u003c\/strong\u003e with a gain of \u003cstrong\u003e4.2 dBi\u003c\/strong\u003e and a maximum power handling of \u003cstrong\u003e1000 Watts\u003c\/strong\u003e. The 5\/8 wave design provides a lower radiation angle than a quarter-wave antenna, directing more signal towards the horizon for improved ground-wave range — making it the preferred choice for serious base station CB operation.\u003c\/p\u003e\n\u003cp\u003eSWR 1:1.3 at resonance. SO-239 (UHF female) connector for direct coax connection. On-mast mounting. Overall height approximately 5,800mm (19ft).\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e5\/8λ wave design — lower radiation angle for improved ground-wave range\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26–28 MHz\u003c\/li\u003e\n\u003cli\u003eGain: 4.2 dBi\u003c\/li\u003e\n\u003cli\u003eSWR: 1:1.3\u003c\/li\u003e\n\u003cli\u003eMax power: 1,000W\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF female)\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eHeight: ~5,800mm (19ft)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCB base station installations\u003c\/li\u003e\n\u003cli\u003e27 MHz AM\/FM\/SSB operation\u003c\/li\u003e\n\u003cli\u003eOperators wanting maximum ground-wave range from a base antenna\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sigma","offers":[{"title":"Default Title","offer_id":48267424891224,"sku":"VENOM-5\/8","price":54.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/56-257_51069bcc-4ae8-4748-b0de-ea28f829f7b3.jpg?v=1715611839"},{"product_id":"excalibur","title":"Excalibur 1\/4 Wave CB Base Antenna 26–28 MHz, 500W, SO-239","description":"\u003cp\u003eThe\u003cstrong\u003e Excalibur\u003c\/strong\u003e is a compact quarter-wave (λ\/4) CB base station antenna covering \u003cstrong\u003e26–28 MHz\u003c\/strong\u003e with a maximum power handling of \u003cstrong\u003e500 Watts\u003c\/strong\u003e. At just 950mm (3.1ft) tall, it is one of the most compact CB base antennas available — ideal for installations where height or space is restricted, such as loft mounting, balconies, or locations with planning or aesthetic constraints.\u003c\/p\u003e\n\u003cp\u003eThe quarter-wave design requires a good ground plane for correct operation — typically provided by the metal mast or a set of radials. SWR 1:1.5 at resonance. SO-239 (UHF female) connector. On-mast mounting.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1\/4λ quarter-wave design — compact and discreet\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26–28 MHz\u003c\/li\u003e\n\u003cli\u003eSWR: 1:1.5\u003c\/li\u003e\n\u003cli\u003eMax power: 500W\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF female)\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eHeight: ~950mm (3.1ft)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSpace or height-restricted CB base station installations\u003c\/li\u003e\n\u003cli\u003eLoft, balcony, or low-profile outdoor mounting\u003c\/li\u003e\n\u003cli\u003e27 MHz AM\/FM\/SSB operation\u003c\/li\u003e\n\u003cli\u003eOperators prioritising a compact, discreet antenna over maximum gain\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Moonraker","offers":[{"title":"Default Title","offer_id":48267458314584,"sku":"SIGMA-EXCALIBUR","price":24.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/24-57.jpg?v=1715613031"},{"product_id":"storm-master","title":"Storm Master 1200 CB Base Antenna 1\/2 Wave, 25–30 MHz, 1000W, 5.48m, 2.4dBd","description":"\u003cp\u003eThe Moonraker Storm Master 1200 is a 1\/2 wave fibreglass base station CB antenna covering 25–30 MHz — suitable for both 11m CB and 10m amateur band use. Standing 5.48m (18ft) tall across three GRP fibreglass sections with a stainless steel top whip, it delivers 2.4 dBd gain and is rated at 1000W.\u003c\/p\u003e\n\u003cp\u003eThe top section features a tuneable whip that can be adjusted across 25–30 MHz, allowing you to optimise SWR for your preferred frequency — whether that's the CB channels, the 10m band, or export frequencies. A practical, no-nonsense high-gain base antenna built for permanent outdoor installation.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 1\/2 wave fibreglass base station antenna\u003c\/li\u003e\n\u003cli\u003eFrequency: 25–30 MHz (tunable — 10m \u0026amp; 11m\/CB)\u003c\/li\u003e\n\u003cli\u003eGain: 2.4 dBd\u003c\/li\u003e\n\u003cli\u003ePower handling: 1000W\u003c\/li\u003e\n\u003cli\u003eHeight: 5.48m (18ft)\u003c\/li\u003e\n\u003cli\u003eConstruction: 3-section GRP fibreglass + stainless steel top whip\u003c\/li\u003e\n\u003cli\u003eTuneable top whip for SWR optimisation across the band\u003c\/li\u003e\n\u003cli\u003eSWR: 1.3:1\u003c\/li\u003e\n\u003cli\u003eImpedance: 50Ω\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Moonraker","offers":[{"title":"Default Title","offer_id":49621408448856,"sku":"MOON-11-598","price":85.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/Screenshot2024-07-25at16-10-04STORMMASTER1200-1_....png?v=1721920496"},{"product_id":"multiscan-antenna","title":"Scan King Multiscan Base Antenna 25–1500 MHz, SO-239, 91cm, With Clamps","description":"\u003cp\u003eThe Moonraker Scan King is a wideband base station scanner antenna covering 25–1500 MHz (receive only), designed with internal loaded coils for maximum reception across the full scanner frequency range — from VHF low band through to microwave. A significant upgrade over a standard whip or rubber duck for serious scanner enthusiasts wanting to improve reception at home or in the shack.\u003c\/p\u003e\n\u003cp\u003eSupplied complete with clamps and brackets for mast or wall mounting. Connects via SO-239 socket — you'll need a coax feed with a PL-259 plug to complete the installation.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFrequency: 25–1500 MHz (receive only)\u003c\/li\u003e\n\u003cli\u003eInternal loaded coils for maximum wideband reception\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239\u003c\/li\u003e\n\u003cli\u003eLength: 91cm\u003c\/li\u003e\n\u003cli\u003eImpedance: 50Ω\u003c\/li\u003e\n\u003cli\u003eSupplied with clamps and brackets for mast\/wall mounting\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Moonraker","offers":[{"title":"Default Title","offer_id":49635227435352,"sku":"MOON-11-514","price":24.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/mr11-514-3.jpg?v=1722264539"},{"product_id":"solarcon-antron-a99","title":"Solarcon Antron A-99 Base Station CB Antenna 9.9dBi, 2000W, 18ft, Twin Ring Tuning","description":"\u003cp\u003eThe Solarcon Antron A-99 is a fibreglass omnidirectional base station antenna for CB, 10m amateur, and export use — delivering 9.9 dBi gain from a half-wave over quarter-wave design where the entire antenna radiates, not just the tip. Rated at 2000W PEP and standing 18ft tall, it's one of the most popular high-gain CB base antennas available.\u003c\/p\u003e\n\u003cp\u003eThe Twin Ring Adjust-A-Match tuning system allows the input to be optimised for SWR across a range of frequencies: raising the rings raises the frequency, lowering them lowers it — giving you precise control without additional equipment. Each antenna is individually tested and provides lightning protection up to 14,500 volts. Comes in three sections for straightforward assembly.\u003c\/p\u003e\n\u003cp\u003eAdd the \u003ca href=\"https:\/\/kamsat.co.uk\/products\/solarcon-gpk-1-a99-ground-plane-kit\"\u003e\u003cstrong\u003eSolarcon GPK-1 A-99 Ground Plane Kit\u003c\/strong\u003e\u003c\/a\u003e to lower the angle of radiation and improve range further.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 1\/2 wave over 1\/4 wave, omnidirectional fibreglass\u003c\/li\u003e\n\u003cli\u003eGain: 9.9 dBi\u003c\/li\u003e\n\u003cli\u003ePower: 2000W PEP\u003c\/li\u003e\n\u003cli\u003eHeight: 18ft (3-section assembly)\u003c\/li\u003e\n\u003cli\u003eTwin Ring Adjust-A-Match tuning for SWR optimisation\u003c\/li\u003e\n\u003cli\u003eEntire antenna radiates — not just the top section\u003c\/li\u003e\n\u003cli\u003eLightning protection: up to 14,500V\u003c\/li\u003e\n\u003cli\u003eConnector: UHF female (SO-239)\u003c\/li\u003e\n\u003cli\u003eIndividually tested\u003c\/li\u003e\n\u003cli\u003eCompatible with \u003cspan style=\"text-decoration: underline; color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/kamsat.co.uk\/products\/solarcon-gpk-1-a99-ground-plane-kit?_pos=2\u0026amp;_sid=55e6c7fcc\u0026amp;_ss=r\" title=\"GPK-1\" style=\"color: rgb(43, 0, 255); text-decoration: underline;\"\u003eGPK-1 ground plane kit\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Solarcon","offers":[{"title":"Default Title","offer_id":49666042986840,"sku":"MOON-11-602","price":139.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/a99-1_1_1.jpg?v=1722864468"},{"product_id":"solarcon-imax-2000","title":"Solarcon MAX Optimizer Base Station Antenna 10m \u0026 11m\/CB, 5000W (Upgraded IMAX-2000)","description":"\u003cp\u003eThe Solarcon MAX Optimizer is the upgraded successor to the IMAX-2000 — a high-performance base station antenna for the 10m amateur band and 11m CB band (26–33.5 MHz), rated at 5000W. The key innovation is the 12\" optimizer section: install it between the mid and top sections for a 4-piece build optimised for 11m\/CB performance, or leave it out for a 3-piece build with balanced 10m\/11m coverage.\u003c\/p\u003e\n\u003cp\u003eUsing patented tuning rings and top section trimming, the MAX Optimizer covers 26–33.5 MHz with a 3 MHz bandwidth at SWR \u0026lt;2:1 — approximately twice the bandwidth of the A-99 and IMAX-2000. The entire antenna radiates, producing 1–2 dB more gain than competing 5\/8 wavelength antennas. Long ferrules provide mechanical strength, and the mounting system allows straightforward one-piece installation.\u003c\/p\u003e\n\u003cp\u003eAdd the \u003cspan style=\"text-decoration: underline; color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/kamsat.co.uk\/products\/solarcon-max-gpk-ground-plane-kit\" style=\"color: rgb(43, 0, 255); text-decoration: underline;\"\u003e\u003cstrong\u003eMAX-GPK ground plane kit\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e for further performance improvement.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFrequency: 26–33.5 MHz (10m \u0026amp; 11m\/CB)\u003c\/li\u003e\n\u003cli\u003ePower handling: 5000W\u003c\/li\u003e\n\u003cli\u003eBandwidth: 3 MHz at SWR \u0026lt;2:1 (approx. 2× the IMAX-2000)\u003c\/li\u003e\n\u003cli\u003eGain: 1–2 dB above competing 5\/8λ antennas\u003c\/li\u003e\n\u003cli\u003eOptimizer section: install for 11m focus, remove for balanced 10m\/11m\u003c\/li\u003e\n\u003cli\u003ePatented tuning rings for precise frequency optimisation\u003c\/li\u003e\n\u003cli\u003eLong ferrules for mechanical strength\u003c\/li\u003e\n\u003cli\u003eOne-piece mounting system\u003c\/li\u003e\n\u003cli\u003eTested to 5000W without failure\u003c\/li\u003e\n\u003cli\u003eMeets\/exceeds CPSC shock hazard standards\u003c\/li\u003e\n\u003cli\u003eCompatible with MAX-GPK ground plane kit (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFrequency: 26–33.5 MHz\u003c\/li\u003e\n\u003cli\u003ePower: 5000W\u003c\/li\u003e\n\u003cli\u003eBandwidth: 3 MHz (SWR \u0026lt;2:1)\u003c\/li\u003e\n\u003cli\u003eConfiguration: 3-piece (balanced) or 4-piece with optimizer (11m focused)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Solarcon","offers":[{"title":"Default Title","offer_id":49666088206680,"sku":"MOON-11-610","price":199.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/maxoptimizer.jpg?v=1778677058"},{"product_id":"maas-x-30-n","title":"MAAS X-30N Dual Band Base Antenna 2m \u0026 70cm, 144\/430 MHz, 150W, N-Type","description":"\u003cp\u003eThe MAAS X-30N is a dual-band VHF\/UHF base station antenna covering 144 MHz (2m) and 430 MHz (70cm) — a popular choice for amateur radio operators wanting a single antenna for both bands. Delivering 3.0 dBi gain on 2m and 5.5 dBi on 70cm, it provides a meaningful improvement over a simple dipole on both bands.\u003c\/p\u003e\u003cp\u003eThe N-Type connector version — suited to installations using low-loss coax with N-Type terminations or where an N-Type to PL-259 adapter is preferred over a direct SO-239 connection. Constructed from fibreglass and stainless steel for durability in permanent outdoor installations. Supplied complete with U-bolt mast clamps for side mounting on masts from 30–60mm in diameter.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDual band: 144 MHz (2m) and 430 MHz (70cm)\u003c\/li\u003e\n\u003cli\u003eGain: 3.0 dBi (VHF) | 5.5 dBi (UHF)\u003c\/li\u003e\n\u003cli\u003eMax power: 150W\u003c\/li\u003e\n\u003cli\u003eConnector: N-Type\u003c\/li\u003e\n\u003cli\u003eLength: 1.1m + 20cm mounting pole\u003c\/li\u003e\n\u003cli\u003eConstruction: fibreglass and stainless steel\u003c\/li\u003e\n\u003cli\u003eSupplied with U-bolt mast clamps for 30–60mm masts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFrequency: 144 MHz \/ 430 MHz\u003c\/li\u003e\n\u003cli\u003eGain: 3.0 dBi (2m) \/ 5.5 dBi (70cm)\u003c\/li\u003e\n\u003cli\u003eMax power: 150W\u003c\/li\u003e\n\u003cli\u003eConnector: N-Type\u003c\/li\u003e\n\u003cli\u003eLength: 1.1m + 20cm mounting pole\u003c\/li\u003e\n\u003cli\u003eMast diameter: 30–60mm\u003c\/li\u003e\n\u003cli\u003eMaterial: fibreglass, stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MAAS","offers":[{"title":"Default Title","offer_id":49997023576408,"sku":"MAAS-X-30-N","price":34.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/5117.jpg?v=1727258129"},{"product_id":"sharman-x-30","title":"Sharman X-30 Dual Band Base Antenna 2m \u0026 70cm, 144\/430 MHz, 150W, SO-239","description":"\u003cp\u003eThe Sharman X-30 is a dual-band VHF\/UHF base station antenna covering 144 MHz (2m) and 430 MHz (70cm) — a popular and practical choice for amateur radio operators wanting a single antenna for both bands. Delivering 3.0 dBi gain on 2m and 6 dBi on 70cm, it provides a meaningful improvement over a simple dipole on both bands, particularly on UHF.\u003c\/p\u003e\u003cp\u003eConstructed from fibreglass and stainless steel for durability in permanent outdoor installations. Supplied complete with U-bolt mast clamps for side mounting on masts from 30–60mm in diameter.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDual band: 144 MHz (2m) and 430 MHz (70cm)\u003c\/li\u003e\n\u003cli\u003eGain: 3.0 dBi (VHF) | 6 dBi (UHF)\u003c\/li\u003e\n\u003cli\u003eMax power: 150W\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239\u003c\/li\u003e\n\u003cli\u003eLength: 1.1m + 20cm mounting pole\u003c\/li\u003e\n\u003cli\u003eConstruction: fibreglass and stainless steel\u003c\/li\u003e\n\u003cli\u003eSupplied with U-bolt mast clamps for 30–60mm masts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFrequency: 144 MHz \/ 430 MHz\u003c\/li\u003e\n\u003cli\u003eGain: 3.0 dBi (2m) \/ 6 dBi (70cm)\u003c\/li\u003e\n\u003cli\u003eMax power: 150W\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239\u003c\/li\u003e\n\u003cli\u003eLength: 1.1m + 20cm mounting pole\u003c\/li\u003e\n\u003cli\u003eMast diameter: 30–60mm\u003c\/li\u003e\n\u003cli\u003eMaterial: fibreglass, stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sharman","offers":[{"title":"Default Title","offer_id":49997053821272,"sku":"MOON-56-773","price":34.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/5117.jpg?v=1727258129"},{"product_id":"solarcon-max-gpk-ground-plane-kit","title":"Solarcon MAX-GPK Ground Plane Kit For MAX Optimizer \u0026 Compatible Base Antennas","description":"\u003cp\u003eThe Solarcon MAX-GPK is a ground plane kit designed to enhance the performance of the \u003cspan style=\"text-decoration: underline; color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/kamsat.co.uk\/products\/solarcon-imax-2000?_pos=1\u0026amp;_sid=9d6b2039a\u0026amp;_ss=r\" title=\"Solarcon MAX Optimizer\" style=\"color: rgb(43, 0, 255); text-decoration: underline;\"\u003eSolarcon MAX Optimizer\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e base station antenna — and compatible with other base antennas using 1-3\/4\" centred U-bolts or matching bolt spacing. By adding four fibreglass radials, the kit lowers the angle of radiation, directing more of your transmitted signal towards the horizon rather than skyward, which translates to greater range for ground-wave and local communication.\u003c\/p\u003e\n\u003cp\u003eThe new-design mounting bracket makes it possible to retrofit the kit to an already-installed MAX Optimizer antenna without having to take the antenna down and start from scratch.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLowers angle of radiation for improved range\u003c\/li\u003e\n\u003cli\u003eRetrofit-compatible — can be added to an already-installed MAX Optimizer\u003c\/li\u003e\n\u003cli\u003eAlso fits other base antennas with 1-3\/4\" centred U-bolts or matching bolt spacing\u003c\/li\u003e\n\u003cli\u003eKit includes: 1 × mounting bracket, 4 × fibreglass radials\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Solarcon","offers":[{"title":"Default Title","offer_id":50047477842264,"sku":"MOON-11-6041x","price":69.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/maxgpk1.jpg?v=1778677470"},{"product_id":"spx-100","title":"SPX-100 Portable HF Antenna 9-Band, 6m–80m, 50W, 3\/8\" \u0026 PL-259 \u0026 BNC","description":"\u003cp\u003eThe Moonraker SPX-100 is a 9-band helical portable HF antenna covering 6m, 10m, 12m, 15m, 17m, 20m, 30m, 40m, and 80m — designed for operators who want a single antenna that works across the HF spectrum at home, mobile, or on the move. The 10-section telescopic whip collapses to just 47cm, making it compact enough to pack in a suitcase for HF operation abroad or at portable events.\u003c\/p\u003e\u003cp\u003eSupplied with 3\/8\" thread fitting plus PL-259 and BNC adapters, so it connects to virtually any mount or radio straight out of the box. Rated at 50W — suitable for QRP and low-power operation.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e9-band coverage: 6m, 10m, 12m, 15m, 17m, 20m, 30m, 40m, 80m\u003c\/li\u003e\n\u003cli\u003e10-section telescopic whip — collapses to 47cm for travel\u003c\/li\u003e\n\u003cli\u003eExtended length: approx. 150cm\u003c\/li\u003e\n\u003cli\u003eVSWR: 1.5:1 or better\u003c\/li\u003e\n\u003cli\u003eMax power: 50W\u003c\/li\u003e\n\u003cli\u003eFitting: 3\/8\" thread with PL-259 and BNC adapters included\u003c\/li\u003e\n\u003cli\u003eSuitable for mobile, portable, and home use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFrequency: 6m \/ 10m \/ 12m \/ 15m \/ 17m \/ 20m \/ 30m \/ 40m \/ 80m\u003c\/li\u003e\n\u003cli\u003eType: Helical 9-band portable\u003c\/li\u003e\n\u003cli\u003eLength: 47–150cm (collapsed–extended)\u003c\/li\u003e\n\u003cli\u003eVSWR: 1.5:1 or better\u003c\/li\u003e\n\u003cli\u003ePower: 50W\u003c\/li\u003e\n\u003cli\u003eFitting: 3\/8\" thread, PL-259 adapter, BNC adapter\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Moonraker","offers":[{"title":"Default Title","offer_id":50091613880664,"sku":"MOON-12-101","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/mr12-101-2.jpg?v=1728559642"},{"product_id":"diamond-d-777","title":"Diamond D-777 Receive Antenna 120–300 MHz, Airband \u0026 Military, 3.4–5.5 dBi","description":"\u003cp\u003eThe Diamond D-777 is a dual-band receive-only base station antenna covering 120–300 MHz — designed for airband (VHF civil aviation) and military\/government communications monitoring. Operating as a 5\/8 wave at 120 MHz and a 2×5\/8 wave at 300 MHz, it delivers genuine gain over a standard dipole on both bands, making it a capable choice for serious airband listeners and scanner enthusiasts wanting to maximise reception range.\u003c\/p\u003e\u003cp\u003eBuilt to withstand wind speeds up to 60 m\/s, it's suitable for permanent rooftop or mast installation. Fits masts from 30–62mm in diameter and connects via SO-239 socket.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Receive only — not for transmitting.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFrequency: 120–300 MHz (receive only)\u003c\/li\u003e\n\u003cli\u003eType: 5\/8λ at 120 MHz | 2×5\/8λ at 300 MHz\u003c\/li\u003e\n\u003cli\u003eGain: 3.4 dBi (120 MHz) | 5.5 dBi (300 MHz)\u003c\/li\u003e\n\u003cli\u003eImpedance: 50Ω\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239\u003c\/li\u003e\n\u003cli\u003eLength: approx. 1.7m\u003c\/li\u003e\n\u003cli\u003eRated wind velocity: 60 m\/s\u003c\/li\u003e\n\u003cli\u003eMast diameter: 30–62mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFrequency: 120–300 MHz\u003c\/li\u003e\n\u003cli\u003eType: 5\/8λ (120 MHz) \/ 2×5\/8λ (300 MHz)\u003c\/li\u003e\n\u003cli\u003eGain: 3.4 dBi \/ 5.5 dBi\u003c\/li\u003e\n\u003cli\u003eImpedance: 50Ω\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239\u003c\/li\u003e\n\u003cli\u003eLength: approx. 1.7m\u003c\/li\u003e\n\u003cli\u003eWind rating: 60 m\/s\u003c\/li\u003e\n\u003cli\u003eMast diameter: 30–62mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Diamond","offers":[{"title":"Default Title","offer_id":50148981440856,"sku":"MOON-11-838","price":69.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1007_diamond-d777_1.jpg?v=1729257727"},{"product_id":"tank-whip","title":"Sigma 9ft Stainless Steel CB Tank Whip Antenna 1\/4 Wave, 1000W, 26-28MHz, 3\/8\" Thread","description":"\u003cp\u003eThe \u003cstrong\u003eSigma Tank Whip\u003c\/strong\u003e is a 9-foot (2.75m) two-piece stainless steel 1\/4-wave CB antenna, pre-tuned for CB channels (26–28 MHz) and rated at 1000W. Popular for static hilltop and portable DX operating rather than everyday mobile use — the 9ft length makes it impractical for driving but delivers outstanding performance when set up on high ground. The two-piece design splits in half for easy transportation: the lower half is thick and rigid, the upper half is a standard whip that slots in and is secured with a grub screw. Standard 3\/8\"x24 thread base fits any standard 3\/8\" mount — note that a strong, heavy-duty mount is essential given the antenna's length and wind loading. Can be trimmed to cover 10m (28–29.7 MHz) instead of CB. VSWR 1.2:1. 50-ohm impedance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e No mount or cable is included. A strong 3\/8\" mount is required.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e9ft (2.75m) 1\/4-wave stainless steel CB whip\u003c\/li\u003e\n\u003cli\u003e1000W power handling\u003c\/li\u003e\n\u003cli\u003ePre-tuned for CB: 26–28 MHz (trimmable for 10m)\u003c\/li\u003e\n\u003cli\u003eVSWR: 1.2:1\u003c\/li\u003e\n\u003cli\u003e50-ohm impedance\u003c\/li\u003e\n\u003cli\u003e3\/8\"x24 thread — fits standard 3\/8\" mounts\u003c\/li\u003e\n\u003cli\u003e2-piece design — splits for easy transportation\u003c\/li\u003e\n\u003cli\u003eStainless steel construction\u003c\/li\u003e\n\u003cli\u003eIdeal for static hilltop \u0026amp; portable DX use\u003c\/li\u003e\n\u003cli\u003eMount \u0026amp; cable not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 1\/4-wave stainless steel CB whip\u003c\/li\u003e\n\u003cli\u003eFrequency: 26–28 MHz (CB) \/ trimmable for 10m\u003c\/li\u003e\n\u003cli\u003ePower: 1000W\u003c\/li\u003e\n\u003cli\u003eVSWR: 1.2:1\u003c\/li\u003e\n\u003cli\u003eImpedance: 50 ohms\u003c\/li\u003e\n\u003cli\u003eLength: 2.75m (9ft)\u003c\/li\u003e\n\u003cli\u003eThread: 3\/8\"x24\u003c\/li\u003e\n\u003cli\u003eConstruction: 2-piece stainless steel\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIGMA","offers":[{"title":"Default Title","offer_id":53842186830168,"sku":"SIGMA-TANK-WHIP","price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/ma-rk14-1_1.jpg?v=1734535031"},{"product_id":"moonraker-g5rv-full-size","title":"G5RV Full-Size HF Dipole Antenna 10-80m, 500W, SO-239, 31m Wire, 300 Ohm Ribbon","description":"\u003cp\u003eThe \u003cstrong\u003eMoonraker G5RV Full-Size\u003c\/strong\u003e is the full-size version of the classic G5RV multiband HF dipole — one of the most popular and widely used all-round HF antennas in the world. Covering 10m, 15m, 20m, 40m, and 80m with an external ATU, it's an excellent choice for operators who want a single wire antenna that performs well across the majority of the HF amateur bands. Resonant on 20m without a tuner. The 9.2m matching section of high-quality USA-made 300-ohm ribbon transforms the antenna impedance, allowing standard 50-ohm coax as the main feedline — no open-wire ladder line required in the shack. 500W power handling. 31m of 1.5mm enamelled copper wire. High-power moulded SO-239 socket. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e An external ATU is required for all bands except 20m. Some internal (auto) ATUs may not have sufficient range — an external manual or automatic ATU is recommended.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFull-size G5RV — covers 10m, 15m, 20m, 40m \u0026amp; 80m\u003c\/li\u003e\n\u003cli\u003eResonant on 20m without a tuner\u003c\/li\u003e\n\u003cli\u003e500W power handling\u003c\/li\u003e\n\u003cli\u003e31m of 1.5mm enamelled copper wire\u003c\/li\u003e\n\u003cli\u003e9.2m of high-quality USA-made 300-ohm ribbon matching section\u003c\/li\u003e\n\u003cli\u003e50-ohm coax feedline — no ladder line in the shack\u003c\/li\u003e\n\u003cli\u003eHigh-power moulded SO-239 socket\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Full-size G5RV multiband dipole\u003c\/li\u003e\n\u003cli\u003eFrequency: 10m \/ 15m \/ 20m \/ 40m \/ 80m (ATU required except 20m)\u003c\/li\u003e\n\u003cli\u003eResonant band: 20m\u003c\/li\u003e\n\u003cli\u003ePower: 500W\u003c\/li\u003e\n\u003cli\u003eImpedance: 50 ohms\u003c\/li\u003e\n\u003cli\u003eWire: 31m of 1.5mm enamelled copper\u003c\/li\u003e\n\u003cli\u003eRibbon: 9.2m of 300-ohm (USA-made)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MOONRAKER","offers":[{"title":"Default Title","offer_id":54027582603608,"sku":"MOON-11-400","price":34.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/11-400.jpg?v=1736779159"},{"product_id":"moonraker-g5rv-1-2-size","title":"Moonraker G5RV Half-Size HF Dipole Antenna | 10\/15\/20\/40m, 500W, SO-239, 15.5m Wire, 300 Ohm Ribbon","description":"\u003cp\u003eThe \u003cstrong\u003eMoonraker G5RV Half-Size\u003c\/strong\u003e is a half-size version of the classic G5RV multiband HF dipole antenna — one of the most popular and widely used all-round HF antennas in the world. The half-size G5RV is designed for operators with limited garden space who cannot accommodate the full-size 31m G5RV, while still covering 10m, 15m, 20m, and 40m with an external ATU. Like the full-size version, it uses a matching section of 300-ohm ribbon feeder to transform the antenna impedance, allowing the use of standard 50-ohm coax as the main feedline to your radio — eliminating the need for open-wire ladder line throughout the shack. Resonant on 10m without a tuner. 500W power handling. 15.5m of 1.5mm enamelled copper wire with 4.6m of high-quality USA-made 300-ohm ribbon. High-power moulded SO-239 socket. Made by Moonraker (UK).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e An external ATU is required for 15m, 20m, and 40m operation. Some internal (auto) ATUs may not have sufficient range to tune this antenna — an external manual or automatic ATU is recommended.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHalf-size G5RV — ideal for limited garden space\u003c\/li\u003e\n\u003cli\u003eCovers 10m, 15m, 20m \u0026amp; 40m (with external ATU)\u003c\/li\u003e\n\u003cli\u003eResonant on 10m without a tuner\u003c\/li\u003e\n\u003cli\u003e500W power handling\u003c\/li\u003e\n\u003cli\u003e15.5m of 1.5mm enamelled copper wire\u003c\/li\u003e\n\u003cli\u003e4.6m of high-quality USA-made 300-ohm ribbon matching section\u003c\/li\u003e\n\u003cli\u003e50-ohm coax feedline — no ladder line in the shack\u003c\/li\u003e\n\u003cli\u003eHigh-power moulded SO-239 socket\u003c\/li\u003e\n\u003cli\u003eMade by Moonraker (UK)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Half-size G5RV multiband dipole\u003c\/li\u003e\n\u003cli\u003eFrequency: 10m \/ 15m \/ 20m \/ 40m (ATU required except 10m)\u003c\/li\u003e\n\u003cli\u003eResonant band: 10m\u003c\/li\u003e\n\u003cli\u003ePower: 500W\u003c\/li\u003e\n\u003cli\u003eImpedance: 50 ohms\u003c\/li\u003e\n\u003cli\u003eWire: 15.5m of 1.5mm enamelled copper\u003c\/li\u003e\n\u003cli\u003eRibbon: 4.6m of 300-ohm (USA-made)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eCountry of origin: UK\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MOONRAKER","offers":[{"title":"Default Title","offer_id":54027586109784,"sku":"MOON-11-408","price":27.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/11-408.jpg?v=1736779300"},{"product_id":"sigma-se-hf-360-fibre-glass","title":"SE HF-360 End Fed Vertical HF Antenna 80m-6m, 400W PEP, 5.5m Fibreglass, No Counterpoise, SO-239","description":"\u003cp\u003eThe \u003cstrong\u003eSigma Euro-Comm SE HF-360\u003c\/strong\u003e is a premium 5.5-metre end-fed fibreglass vertical antenna covering 80 metres through 6 metres (3.5–52 MHz TX \/ 1.8–55 MHz RX) — the fibreglass big brother to the SE HF X-80, sharing the same proven end-fed, no-counterpoise design but built from three fibreglass poles and a stainless steel tapered whip for a more robust, permanent installation. Like the X-80, it requires \u003cstrong\u003eno counterpoise or radials\u003c\/strong\u003e and feeds directly via 50-ohm coax through the SO-239 socket at the base. A built-in 6:1 UNUN transformer in an IP65 weatherproof enclosure reduces the feed point impedance for efficient tuning via an external ATU or the automatic ATU in most modern HF transceivers. Notably, the HF-360 also covers \u003cstrong\u003e60m\u003c\/strong\u003e — a band not covered by the X-80. DC grounded design allows optional earthing to reduce static noise without affecting tuning. Rated at 400W PEP for amateur SSB\/CW use. All fixings and a full installation guide are included. Compatible with the Sigma Plus Upgrade Kit (sold separately) for enhanced 40m \u0026amp; 80m performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Power rating is for intermittent amateur use (SSB\/CW). For AM or constant carrier data modes, a higher-rated BALUN is required. Recommended coax: RG-213 or Mini-8.\u003c\/p\u003e\n\u003ch2\u003eBand Performance (SWR with ATU)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e80m — 1:3.1 (manual ATU required)\u003c\/li\u003e\n\u003cli\u003e60m — 1:1\u003c\/li\u003e\n\u003cli\u003e40m — 1:1\u003c\/li\u003e\n\u003cli\u003e30m — 1:1\u003c\/li\u003e\n\u003cli\u003e20m — 1:1\u003c\/li\u003e\n\u003cli\u003e17m — 1:1 (manual ATU recommended)\u003c\/li\u003e\n\u003cli\u003e15m — 1:1\u003c\/li\u003e\n\u003cli\u003e12m — 1:1 (manual ATU recommended)\u003c\/li\u003e\n\u003cli\u003e10m — 1:1\u003c\/li\u003e\n\u003cli\u003e6m — 1:1 (manual ATU recommended)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEnd-fed vertical — no counterpoise or radials required\u003c\/li\u003e\n\u003cli\u003eCovers 80m–6m including 60m (3.5–52 MHz TX \/ 1.8–55 MHz RX)\u003c\/li\u003e\n\u003cli\u003e400W PEP power handling (SSB\/CW)\u003c\/li\u003e\n\u003cli\u003eBuilt-in 6:1 UNUN transformer in IP65 weatherproof enclosure\u003c\/li\u003e\n\u003cli\u003e3-section fibreglass construction + stainless steel tapered whip\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003e50-ohm impedance — direct coax feed\u003c\/li\u003e\n\u003cli\u003eDC grounded — optional earthing for static noise reduction\u003c\/li\u003e\n\u003cli\u003ePole-mountable at ground level or elevated\u003c\/li\u003e\n\u003cli\u003eAll fixings \u0026amp; installation guide included\u003c\/li\u003e\n\u003cli\u003eCompatible with the Sigma Plus Upgrade Kit (sold separately)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: End-fed fibreglass vertical\u003c\/li\u003e\n\u003cli\u003eTX frequency: 3.5–52 MHz (80m–6m incl. 60m)\u003c\/li\u003e\n\u003cli\u003eRX frequency: 1.8–55 MHz\u003c\/li\u003e\n\u003cli\u003ePower: 400W PEP (SSB\/CW)\u003c\/li\u003e\n\u003cli\u003eImpedance: 50 ohms\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eTransformer: 6:1 UNUN (IP65 enclosure)\u003c\/li\u003e\n\u003cli\u003eConstruction: 3 x fibreglass poles + stainless steel tapered whip\u003c\/li\u003e\n\u003cli\u003eLength: 5.5m (18 feet)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIGMA","offers":[{"title":"Default Title","offer_id":54063602925912,"sku":"SIGMAUK-SE-HF-360","price":139.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1_994f5bc5-3476-4ac0-8b53-3f68e35287d4.jpg?v=1737030913"},{"product_id":"sigma-se-hf-80","title":"Sigma Euro-Comm SE HF X-80 End Fed Vertical HF Antenna 80m-6m, 400W PEP, 6m Telescopic, No Counterpoise, SO-239","description":"\u003cp\u003eThe \u003cstrong\u003eSigma Euro-Comm SE HF X-80\u003c\/strong\u003e is a 6-metre telescopic end-fed aluminium vertical antenna covering 80 metres through 6 metres (3.5–52 MHz TX \/ 1.8–55 MHz RX) — one of the most practical and versatile HF base antennas available for amateur radio operators with limited space. Unlike traditional HF verticals, the X-80 requires \u003cstrong\u003eno counterpoise or radials\u003c\/strong\u003e and can be fed directly with 50-ohm coax via the SO-239 socket at the base, making installation straightforward. A built-in 6:1 UNUN transformer in an IP65 weatherproof enclosure at the base reduces the feed point impedance to a level that allows easy tuning via an external ATU or the automatic ATU built into most modern HF transceivers. The antenna can be pole-mounted at ground level or elevated to suit your installation. DC grounded design allows optional earthing to reduce local static noise without affecting tuning. Rated at 400W PEP for amateur use (SSB\/CW). All fixings, fixtures, and a full installation guide are included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Power rating is for intermittent amateur use (SSB\/CW). For AM or constant carrier data modes, a higher-rated BALUN is required. Recommended coax: RG-213 or Mini-8.\u003c\/p\u003e\n\u003ch2\u003eBand Performance (SWR with ATU)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e80m — 1:3.1 (manual ATU required)\u003c\/li\u003e\n\u003cli\u003e40m — 1:1\u003c\/li\u003e\n\u003cli\u003e30m — 1:1\u003c\/li\u003e\n\u003cli\u003e20m — 1:1\u003c\/li\u003e\n\u003cli\u003e17m — 1:1 (manual ATU recommended)\u003c\/li\u003e\n\u003cli\u003e15m — 1:1\u003c\/li\u003e\n\u003cli\u003e12m — 1:1 (manual ATU recommended)\u003c\/li\u003e\n\u003cli\u003e10m — 1:1\u003c\/li\u003e\n\u003cli\u003e6m — 1:1 (manual ATU recommended)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEnd-fed vertical — no counterpoise or radials required\u003c\/li\u003e\n\u003cli\u003eCovers 80m–6m (3.5–52 MHz TX \/ 1.8–55 MHz RX)\u003c\/li\u003e\n\u003cli\u003e400W PEP power handling (SSB\/CW)\u003c\/li\u003e\n\u003cli\u003eBuilt-in 6:1 UNUN transformer in IP65 weatherproof enclosure\u003c\/li\u003e\n\u003cli\u003e6-metre telescopic aluminium element\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003e50-ohm impedance — direct coax feed\u003c\/li\u003e\n\u003cli\u003eDC grounded — optional earthing for static noise reduction\u003c\/li\u003e\n\u003cli\u003ePole-mountable at ground level or elevated\u003c\/li\u003e\n\u003cli\u003eAll fixings, fixtures \u0026amp; installation guide included\u003c\/li\u003e\n\u003cli\u003eCompatible with the Sigma Plus Upgrade Kit (sold separately) for enhanced 40m \u0026amp; 80m performance\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: End-fed telescopic vertical\u003c\/li\u003e\n\u003cli\u003eTX frequency: 3.5–52 MHz (80m–6m)\u003c\/li\u003e\n\u003cli\u003eRX frequency: 1.8–55 MHz\u003c\/li\u003e\n\u003cli\u003ePower: 400W PEP (SSB\/CW)\u003c\/li\u003e\n\u003cli\u003eImpedance: 50 ohms\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eTransformer: 6:1 UNUN (IP65 enclosure)\u003c\/li\u003e\n\u003cli\u003eLength: 6m (20 feet)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIGMA","offers":[{"title":"Default Title","offer_id":54063624061272,"sku":"SIG-SEX80","price":79.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/1_d5337578-1680-497e-94b4-bbeafbbf76e4.jpg?v=1737031874"},{"product_id":"storm-master-5800-5-8-wave","title":"Storm Master 5800 5\/8 Wave CB Base Antenna 25-30MHz, 1000W, 3.5dBd Gain, 6.35m, Tuneable, GRP Fibreglass","description":"\u003cp\u003eThe \u003cstrong\u003eMoonraker Storm Master 5800\u003c\/strong\u003e is a high-gain 5\/8-wave fibreglass CB base station antenna covering 25–30 MHz — suitable for both 11m CB (27 MHz) and 10m amateur radio (28–29.7 MHz) use. At 6.35m (21 feet) tall, it's one of the largest and highest-gain CB base antennas available, delivering 3.5 dBd gain and 1000W power handling from a three-section GRP fibreglass construction with a stainless steel tuneable top whip. The tuneable top whip can be adjusted across the full 25–30 MHz range to achieve the lowest possible SWR at your preferred operating frequency, making it equally at home on 10m or 11m. SWR of 1.3:1 or better when correctly tuned. 50-ohm impedance. \u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e5\/8-wave CB \u0026amp; 10m base antenna\u003c\/li\u003e\n\u003cli\u003eFrequency: 25–30 MHz (covers 10m \u0026amp; 11m CB bands)\u003c\/li\u003e\n\u003cli\u003eGain: 3.5 dBd\u003c\/li\u003e\n\u003cli\u003e1000W power handling\u003c\/li\u003e\n\u003cli\u003eTuneable stainless steel top whip — adjustable across 25–30 MHz\u003c\/li\u003e\n\u003cli\u003e3-section GRP fibreglass construction\u003c\/li\u003e\n\u003cli\u003eSWR: 1.3:1 or better (when tuned)\u003c\/li\u003e\n\u003cli\u003eImpedance: 50 ohms\u003c\/li\u003e\n\u003cli\u003eLength: 6.35m (21 feet)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 5\/8-wave fibreglass base antenna\u003c\/li\u003e\n\u003cli\u003eFrequency: 25–30 MHz\u003c\/li\u003e\n\u003cli\u003eGain: 3.5 dBd\u003c\/li\u003e\n\u003cli\u003eMax power: 1000W\u003c\/li\u003e\n\u003cli\u003eSWR: 1.3:1 or better\u003c\/li\u003e\n\u003cli\u003eImpedance: 50 ohms\u003c\/li\u003e\n\u003cli\u003eConstruction: 3-section GRP fibreglass + stainless steel tuneable whip\u003c\/li\u003e\n\u003cli\u003eLength: 6.35m (21 feet)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MOONRAKER","offers":[{"title":"Default Title","offer_id":54124298535256,"sku":"MOON-11-599","price":99.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/Screenshot2024-07-25at16-10-04STORMMASTER1200-1_....png?v=1721920496"},{"product_id":"procomm-pt-99-proton","title":"ProComm PT-99 Proton Fibreglass Base Station CB \u0026 10m Antenna 2000W PEP, 9.9dBi Gain, Tunable 26-30MHz","description":"\u003cp\u003eThe \u003cstrong\u003eProComm PT-99 Proton\u003c\/strong\u003e is a premium, 1\/2-wave fibreglass base station antenna designed for serious DX operation on the CB 11-metre band and 10-metre amateur radio band. With an impressive 9.9 dBi gain, 2000W PEP power handling, and a tunable frequency range of 26–30 MHz, it's factory pre-tuned for the CB band and easily fine-tuned via two threaded counter rings on the coil. Built from rugged 4-piece fibreglass construction with hard chrome-plated ferrules, it's extremely weather and UV resistant for long-lasting outdoor performance. Standing at 565cm tall, it assembles quickly by screwing together and securing with snap rings, and mounts via two included steel U-brackets on masts up to 40mm diameter.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2000W PEP power handling\u003c\/li\u003e\n\u003cli\u003eGain: 9.9 dBi\u003c\/li\u003e\n\u003cli\u003eTunable frequency range: 26–30 MHz\u003c\/li\u003e\n\u003cli\u003eFactory pre-tuned for CB band — fine-tune via threaded counter rings\u003c\/li\u003e\n\u003cli\u003eCompatible with CB 11-metre \u0026amp; 10-metre amateur radio\u003c\/li\u003e\n\u003cli\u003e1\/2-wave omnidirectional design\u003c\/li\u003e\n\u003cli\u003eRugged 4-piece fibreglass construction\u003c\/li\u003e\n\u003cli\u003eHard chrome-plated ferrules\u003c\/li\u003e\n\u003cli\u003eExtremely weather and UV resistant\u003c\/li\u003e\n\u003cli\u003eQuick assembly — screw together and secure with snap rings\u003c\/li\u003e\n\u003cli\u003eTwo steel U-brackets included — side mount on masts up to 40mm diameter\u003c\/li\u003e\n\u003cli\u003eFor masts 42–50mm, use optional Sirio FT-2 side bracket\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 565cm \/ 18.54ft\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 1\/2-wave fibreglass base station antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26–30 MHz (tunable)\u003c\/li\u003e\n\u003cli\u003eSystems: CB 11m \/ 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 9.9 dBi\u003c\/li\u003e\n\u003cli\u003eMax power: 2000W PEP\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 565cm \/ 18.54ft\u003c\/li\u003e\n\u003cli\u003eMounting: Side-mount on masts up to Ø40mm (U-brackets included)\u003c\/li\u003e\n\u003cli\u003eMaterials: Fibreglass, chrome-plated parts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PROCOMM","offers":[{"title":"Default Title","offer_id":54415678243160,"sku":"MOON-11-605","price":139.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/pt_2.jpg?v=1740656375"},{"product_id":"sirio-blizzard-2700-5-8","title":"Sirio Blizzard 2700 Base CB \u0026 10m Ham Antenna 1000W Continuous, 1.5dBd Gain, Tunable 26-28MHz, 5\/8λ Ground Plane","description":"\u003cp\u003eThe \u003cstrong\u003eSirio Blizzard 2700\u003c\/strong\u003e is a premium, 5\/8λ ground plane base station antenna engineered in Italy for CB 27MHz and 10-metre amateur radio use. With 1000W continuous power handling (3000W short time CW), a tunable frequency range of 26–28 MHz, and a gain of 1.5 dBd (3.65 dBi) — the highest gain in the Sirio ground plane base antenna range — it's the go-to choice for operators who demand maximum omnidirectional performance from their base installation. Standing at an impressive 6700mm (21.98ft) tall and designed for on-mast mounting, it's constructed from aluminium, copper, galvanised steel, and nylon for robust, long-lasting outdoor performance. Supplied with an anti-vibration nylon ring for additional radial support in high wind conditions.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1000W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003e3000W short time power handling (CW)\u003c\/li\u003e\n\u003cli\u003eGain: 1.5 dBd \/ 3.65 dBi — highest gain in the Sirio 5\/8λ ground plane range\u003c\/li\u003e\n\u003cli\u003eTunable frequency range: 26–28 MHz\u003c\/li\u003e\n\u003cli\u003eCompatible with CB 27MHz \u0026amp; 10-metre amateur radio\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003e5\/8λ ground plane design for superior gain\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 6700mm \/ 21.98ft\u003c\/li\u003e\n\u003cli\u003eAnti-vibration nylon ring included for radial support in high winds\u003c\/li\u003e\n\u003cli\u003eDurable materials: aluminium, copper, galvanised steel \u0026amp; nylon\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 5\/8λ ground plane base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26–28 MHz (tunable)\u003c\/li\u003e\n\u003cli\u003eSystems: CB 27MHz \/ 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 1.5 dBd \/ 3.65 dBi\u003c\/li\u003e\n\u003cli\u003eMax power: 3000W peak (CW short time) | 1000W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 6700mm \/ 21.98ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Aluminium, copper, galvanised steel, nylon\u003c\/li\u003e\n\u003cli\u003eIncludes: Anti-vibration nylon ring\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":54544482697560,"sku":"MOON-11-626","price":159.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/Screenshot2025-03-22at11-39-10SirioBlizzard27005_8WaveGroundPlaneAntenna.png?v=1742643561"},{"product_id":"firestik-fireup-99-fs-99-w","title":"Firestik Fire-Up 99 FS-99-W Upgrade Top Section For Solarcon A99, Tuneable Tip, 150cm, 3\/8\"x24","description":"\u003cp\u003eThe \u003cstrong\u003eFirestik Fire-Up 99 (FS-99-W)\u003c\/strong\u003e is a high-performance upgrade top section for the \u003cstrong\u003eSolarcon A99\u003c\/strong\u003e base antenna. Simply remove the original upper section of your A99 and screw in the Fire-Up 99's 3\/8\"x24 threaded base — no tools required. Firestik's top-loaded 5\/8-wave coil design creates a lower angle of radiation compared to the standard A99 top section, pushing more of your signal toward the horizon for greater range on the CB band. The patented bare-hands tuneable tip allows fine-tuning to a specific frequency without tools, further expanding the overall tuning range of your A99 installation. Rugged solid fibreglass core for long-term durability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The FS-99 is \u003cstrong\u003enot\u003c\/strong\u003e a standalone CB antenna. Its standalone frequency is 32.700 MHz. When fitted to the Solarcon A99, the combined sections bring the primary operational frequency to approximately 27.185 MHz (CB band). It must be used with the A99 base section.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade top section for the Solarcon A99 base antenna\u003c\/li\u003e\n\u003cli\u003eTop-loaded 5\/8-wave coil design — lower angle of radiation for greater range\u003c\/li\u003e\n\u003cli\u003e150cm (5ft) length\u003c\/li\u003e\n\u003cli\u003ePatented bare-hands tuneable tip — no tools required for fine-tuning\u003c\/li\u003e\n\u003cli\u003e3\/8\"x24 threaded base — screws directly into A99 base\u003c\/li\u003e\n\u003cli\u003eRugged solid fibreglass core\u003c\/li\u003e\n\u003cli\u003eEasy installation — no tools required\u003c\/li\u003e\n\u003cli\u003eMade by Firestik \/ Solarcon (USA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Top-loaded 5\/8-wave upgrade whip\u003c\/li\u003e\n\u003cli\u003eStandalone frequency: 32.700 MHz\u003c\/li\u003e\n\u003cli\u003eOperational frequency (on A99): ~27.185 MHz (CB band)\u003c\/li\u003e\n\u003cli\u003eLength: 150cm (5ft)\u003c\/li\u003e\n\u003cli\u003eBase thread: 3\/8\"x24\u003c\/li\u003e\n\u003cli\u003eCompatible with: Solarcon A99 base antenna\u003c\/li\u003e\n\u003cli\u003eCountry of origin: USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SOLARCON","offers":[{"title":"Default Title","offer_id":54578734694744,"sku":"MOON-56-332","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/99-antna_1.jpg?v=1743084473"},{"product_id":"scanking-royal-discone-2000","title":"Scan King Royal Discone 2000 Antenna | 25-2000MHz RX, TX on 6m\/2m\/70cm\/23cm, N-Type, 155cm","description":"\u003cp\u003eThe \u003cstrong\u003eMoonraker Scan King Royal Discone 2000\u003c\/strong\u003e is a premium wideband discone antenna that goes beyond pure receive-only use — combining 25–2000 MHz wideband receive coverage with transmit capability on four amateur radio bands: 6m (50–52 MHz), 2m (144–146 MHz), 70cm (430–440 MHz), and 23cm (1240–1325 MHz). This makes it a uniquely versatile antenna for amateur radio operators who also want wideband monitoring capability from a single antenna. The discone design provides consistent omnidirectional coverage across the full frequency range with no retuning required. Up to 2.15 dBi gain. 8 x 83cm upper radials and 8 x 29cm lower radials. N-type connector for low-loss, weatherproof connectivity. Mounts on masts up to 50mm diameter. A significant step up from the standard Scan King HF Discone, with the addition of TX capability and N-type connector.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWideband RX: 25–2000 MHz — no retuning required\u003c\/li\u003e\n\u003cli\u003eTX capability: 6m (50–52 MHz) \/ 2m (144–146 MHz) \/ 70cm (430–440 MHz) \/ 23cm (1240–1325 MHz)\u003c\/li\u003e\n\u003cli\u003eGain: up to 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eN-type connector for low-loss, weatherproof connection\u003c\/li\u003e\n\u003cli\u003e8 x 83cm upper radials \u0026amp; 8 x 29cm lower radials\u003c\/li\u003e\n\u003cli\u003eMast diameter: up to 50mm\u003c\/li\u003e\n\u003cli\u003eLength: 155cm\u003c\/li\u003e\n\u003cli\u003eIdeal for scanner, SDR \u0026amp; multi-band amateur radio use\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MOONRAKER","offers":[{"title":"Default Title","offer_id":54841881526616,"sku":"MOON-11-556","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/11-556-2.jpg?v=1746702940"},{"product_id":"sirio-gpe27-5-8","title":"Sirio GPE 27 5\/8λ Base 10m Ham Antenna 250W Continuous, 1.2dBd Gain, Tunable 26.4-29MHz, Ground Plane","description":"\u003cp\u003eThe \u003cstrong\u003eSirio GPE 27 5\/8\u003c\/strong\u003e is a high-performance, 5\/8λ ground plane base station antenna engineered in Italy specifically for 10-metre amateur radio use. With 250W continuous power handling (750W short time CW), a wide tunable frequency range of 26.4–29 MHz, and a gain of 1.2 dBd (3.35 dBi), it delivers excellent omnidirectional performance across the full 10m band. Standing at 5950mm (19.52ft) tall and designed for on-mast mounting, it's constructed from aluminium, copper, galvanised steel, and nylon for robust, long-lasting outdoor performance.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e250W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003e750W short time power handling (CW)\u003c\/li\u003e\n\u003cli\u003eGain: 1.2 dBd \/ 3.35 dBi\u003c\/li\u003e\n\u003cli\u003eWide tunable frequency range: 26.4–29 MHz\u003c\/li\u003e\n\u003cli\u003eOptimised for 10-metre amateur radio (HAM)\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003e5\/8λ ground plane design for superior gain\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 5950mm \/ 19.52ft\u003c\/li\u003e\n\u003cli\u003eDurable materials: aluminium, copper, galvanised steel \u0026amp; nylon\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 5\/8λ ground plane base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26.4–29 MHz (tunable)\u003c\/li\u003e\n\u003cli\u003eSystems: 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 1.2 dBd \/ 3.35 dBi\u003c\/li\u003e\n\u003cli\u003eMax power: 750W peak (CW short time) | 250W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 5950mm \/ 19.52ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Aluminium, copper, galvanised steel, nylon\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":55296279314776,"sku":"SIRIO-GPE 5\/8","price":59.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/sirio_gpe_5_8.jpg?v=1752576689"},{"product_id":"sirio-gps27-1-2","title":"Sirio GPS 27 1\/2λ Base 10m Ham Antenna 250W Continuous, 2.15 dBi Gain, Tunable 26.4-29MHz","description":"\u003cp\u003eThe \u003cstrong\u003eSirio GPS 27 1\/2\u003c\/strong\u003e is a full-size, 1\/2λ base station antenna engineered in Italy specifically for 10-metre amateur radio use. With 250W continuous power handling (750W short time CW), a wide tunable frequency range of 26.4–29 MHz, and a gain of 0 dBd (2.15 dBi), it delivers clean, reliable omnidirectional performance across the full 10m band. The 1\/2λ design offers a lower radiation angle than a 1\/4λ antenna, making it a solid choice for DX-oriented 10m operators who want a no-radials base antenna. Standing at 5950mm (19.52ft) tall and designed for on-mast mounting, it's constructed from aluminium, copper, galvanised steel, and nylon for robust, long-lasting outdoor performance.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e250W continuous power handling (CW)\u003c\/li\u003e\n\u003cli\u003e750W short time power handling (CW)\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eWide tunable frequency range: 26.4–29 MHz\u003c\/li\u003e\n\u003cli\u003eOptimised for 10-metre amateur radio (HAM)\u003c\/li\u003e\n\u003cli\u003eOmnidirectional radiation pattern\u003c\/li\u003e\n\u003cli\u003eLinear vertical polarisation\u003c\/li\u003e\n\u003cli\u003e1\/2λ design — lower radiation angle for improved DX performance\u003c\/li\u003e\n\u003cli\u003eOn-mast mounting\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eHeight: 5950mm \/ 19.52ft\u003c\/li\u003e\n\u003cli\u003eDurable materials: aluminium, copper, galvanised steel \u0026amp; nylon\u003c\/li\u003e\n\u003cli\u003eMade in Italy by Sirio\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: 1\/2λ base antenna\u003c\/li\u003e\n\u003cli\u003eRadiation: Omnidirectional\u003c\/li\u003e\n\u003cli\u003ePolarisation: Linear vertical\u003c\/li\u003e\n\u003cli\u003eFrequency range: 26.4–29 MHz (tunable)\u003c\/li\u003e\n\u003cli\u003eSystems: 10m amateur (HAM)\u003c\/li\u003e\n\u003cli\u003eGain: 0 dBd \/ 2.15 dBi\u003c\/li\u003e\n\u003cli\u003eMax power: 750W peak (CW short time) | 250W continuous (CW)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eHeight: 5950mm \/ 19.52ft\u003c\/li\u003e\n\u003cli\u003eMounting: On-mast\u003c\/li\u003e\n\u003cli\u003eMaterials: Aluminium, copper, galvanised steel, nylon\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the GPS 27 1\/2 require tuning?\u003c\/strong\u003e\u003cbr\u003eYes. It is tunable across 26.4–29 MHz, allowing you to optimise SWR for your preferred operating frequency within the 10m band. A SWR meter is recommended for initial setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the advantage of a 1\/2λ design over a 1\/4λ antenna?\u003c\/strong\u003e\u003cbr\u003eA 1\/2λ antenna produces a lower radiation angle compared to a 1\/4λ, which concentrates more signal toward the horizon rather than skyward. This makes it better suited for long-distance (DX) contacts on the 10m band.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it require radials or a ground plane?\u003c\/strong\u003e\u003cbr\u003eNo. The GPS 27 1\/2 is a self-contained 1\/2λ design that does not require radials or a ground plane, simplifying installation significantly compared to 1\/4λ ground-plane antennas.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum power it can handle?\u003c\/strong\u003e\u003cbr\u003eIt handles 250W continuous (CW) and 750W short time (CW peak), making it suitable for most HF transceivers and moderate linear amplifier use on 10m.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat connector does it use?\u003c\/strong\u003e\u003cbr\u003eIt uses an SO-239 (UHF-Female) connector, which accepts a standard PL-259 plug — the most common connector used with HF coaxial feedlines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow tall is the antenna and will it need planning permission?\u003c\/strong\u003e\u003cbr\u003eThe GPS 27 1\/2 stands 5950mm (approximately 19.52ft \/ 5.95m) tall. In the UK, amateur radio antenna installations may fall under permitted development rights, but we recommend checking with your local planning authority if you are unsure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for permanent outdoor installation?\u003c\/strong\u003e\u003cbr\u003eYes. It is constructed from aluminium, copper, galvanised steel, and nylon — materials chosen for long-term outdoor durability and corrosion resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used for CB radio as well as 10m amateur?\u003c\/strong\u003e\u003cbr\u003eThe tunable range of 26.4–29 MHz overlaps with the CB band (26.965–27.405 MHz), so it can physically cover CB frequencies.\u003c\/p\u003e","brand":"SIRIO","offers":[{"title":"Default Title","offer_id":55296440336728,"sku":"SIRIO-GPS27 1\/2","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/sirio_gpe_half.avif?v=1752577984"},{"product_id":"diamond-x-50","title":"Diamond X-50 Dual Band 2m \u0026 70cm Base Antenna 4.5\/7.2dBi Gain, 200W, 1.7m, Pre-Tuned","description":"\u003cp\u003eThe \u003cstrong\u003eDiamond X-50\u003c\/strong\u003e is a mid-range, high-performance dual-band fibreglass base station antenna for 2-metre (144 MHz) and 70cm (430 MHz) amateur radio use — the SO-239 version of the popular X-50N, sitting between the compact X-30 and the larger X-200N in the Diamond dual-band range. With a gain of 4.5 dBi on 2m and 7.2 dBi on 70cm, 200W power handling, and a 3 x 1\/4-wave (2m) \/ 3 x 5\/8-wave (70cm) collinear design, it delivers excellent omnidirectional performance on both bands from a 1.7m antenna. Pre-tuned and fully weatherproofed fibreglass construction with mast mounting brackets included. Wind rated to 60 m\/s. Mounts on masts of 30–62mm diameter. Connects via SO-239 (UHF-Female).\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDual band: 2m (144 MHz) \u0026amp; 70cm (430 MHz)\u003c\/li\u003e\n\u003cli\u003eGain: 4.5 dBi (2m) \/ 7.2 dBi (70cm)\u003c\/li\u003e\n\u003cli\u003e200W power handling\u003c\/li\u003e\n\u003cli\u003e3 x 1\/4-wave (2m) \/ 3 x 5\/8-wave (70cm) collinear design\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003ePre-tuned — no adjustment required\u003c\/li\u003e\n\u003cli\u003eFully weatherproofed fibreglass construction\u003c\/li\u003e\n\u003cli\u003eMast mounting brackets included\u003c\/li\u003e\n\u003cli\u003eRadial length: 19cm\u003c\/li\u003e\n\u003cli\u003eMast diameter: 30–62mm\u003c\/li\u003e\n\u003cli\u003eWind rating: 60 m\/s\u003c\/li\u003e\n\u003cli\u003eLength: 1.7m | Weight: 0.9kg\u003c\/li\u003e\n\u003cli\u003eMade by Diamond Antenna (Japan)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Dual band fibreglass collinear base antenna\u003c\/li\u003e\n\u003cli\u003eFrequency: 144 MHz (2m) \u0026amp; 430 MHz (70cm)\u003c\/li\u003e\n\u003cli\u003eGain: 4.5 dBi (2m) \/ 7.2 dBi (70cm)\u003c\/li\u003e\n\u003cli\u003eDesign: 3 x 1\/4-wave (2m) \/ 3 x 5\/8-wave (70cm)\u003c\/li\u003e\n\u003cli\u003eMax power: 200W\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eRadial length: 19cm\u003c\/li\u003e\n\u003cli\u003eLength: 1.7m\u003c\/li\u003e\n\u003cli\u003eWeight: 0.9kg\u003c\/li\u003e\n\u003cli\u003eMast diameter: 30–62mm\u003c\/li\u003e\n\u003cli\u003eWind rating: 60 m\/s\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Japan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DIAMOND","offers":[{"title":"Default Title","offer_id":55963255439704,"sku":"MOON-11-808","price":59.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/diamond-x50-1b_1.png?v=1760527715"},{"product_id":"diamond-x-30","title":"Diamond X-30 Dual Band 2m \u0026 70cm Base Antenna 3\/5.5dBi Gain, 150W, 1.3m, Pre-Tuned","description":"\u003cp\u003eThe \u003cstrong\u003eDiamond X-30\u003c\/strong\u003e is a compact, lightweight dual-band fibreglass base station antenna for 2-metre (144 MHz) and 70cm (430 MHz) amateur radio use — the entry point to the Diamond dual-band base antenna range, sitting below the X-50N and X-200N. At just 1.3m tall and 0.8kg, it's ideal for operators with limited space, balcony installations, or those looking for a discreet, low-profile base antenna without sacrificing build quality. With 3 dBi gain on 2m and 5.5 dBi on 70cm, a 1\/2-wave (2m) and 2 x 5\/8-wave (70cm) collinear design, and 150W power handling, it punches well above its compact size. Pre-tuned and fully weatherproofed fibreglass construction with mast mounting brackets included. Wind rated to 60 m\/s. Mounts on masts of 30–62mm diameter.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDual band: 2m (144 MHz) \u0026amp; 70cm (430 MHz)\u003c\/li\u003e\n\u003cli\u003eGain: 3 dBi (2m) \/ 5.5 dBi (70cm)\u003c\/li\u003e\n\u003cli\u003e150W power handling\u003c\/li\u003e\n\u003cli\u003e1\/2-wave (2m) \/ 2 x 5\/8-wave (70cm) collinear design\u003c\/li\u003e\n\u003cli\u003eCompact \u0026amp; lightweight: 1.3m length \/ 0.8kg\u003c\/li\u003e\n\u003cli\u003eIdeal for balcony, limited space \u0026amp; discreet installations\u003c\/li\u003e\n\u003cli\u003ePre-tuned — no adjustment required\u003c\/li\u003e\n\u003cli\u003eFully weatherproofed fibreglass construction\u003c\/li\u003e\n\u003cli\u003eMast mounting brackets included\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eRadial length: 19cm\u003c\/li\u003e\n\u003cli\u003eMast diameter: 30–62mm\u003c\/li\u003e\n\u003cli\u003eWind rating: 60 m\/s\u003c\/li\u003e\n\u003cli\u003eMade by Diamond Antenna (Japan)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Dual band fibreglass collinear base antenna\u003c\/li\u003e\n\u003cli\u003eFrequency: 144 MHz (2m) \u0026amp; 430 MHz (70cm)\u003c\/li\u003e\n\u003cli\u003eGain: 3 dBi (2m) \/ 5.5 dBi (70cm)\u003c\/li\u003e\n\u003cli\u003eDesign: 1\/2-wave (2m) \/ 2 x 5\/8-wave (70cm)\u003c\/li\u003e\n\u003cli\u003eMax power: 150W\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eRadial length: 19cm\u003c\/li\u003e\n\u003cli\u003eLength: 1.3m\u003c\/li\u003e\n\u003cli\u003eWeight: 0.8kg\u003c\/li\u003e\n\u003cli\u003eMast diameter: 30–62mm\u003c\/li\u003e\n\u003cli\u003eWind rating: 60 m\/s\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Japan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DIAMOND","offers":[{"title":"Default Title","offer_id":55963338735960,"sku":"MOON-11-810","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/diamond-x30_2_new2.png?v=1760528824"},{"product_id":"diamond-x-300","title":"Diamond X-300 Dual Band 2m \u0026 70cm Base Antenna 6.5\/9dBi Gain, 200W, 3.1m, Pre-Tuned","description":"\u003cp\u003eThe \u003cstrong\u003eDiamond X-300\u003c\/strong\u003e is a premium high-gain dual-band fibreglass base station antenna for 2-metre (144 MHz) and 70cm (430 MHz) amateur radio use — the big brother to the popular X-200N, delivering even greater gain from a longer 3.1m collinear design. With 6.5 dBi gain on 2m and an impressive 9 dBi on 70cm, the X-300 is one of the highest-gain dual-band base antennas in the Diamond range, making it the ideal choice for operators who want maximum range and signal strength on both bands from a fixed station. The 2 x 5\/8-wave (2m) and 5 x 5\/8-wave (70cm) collinear design provides excellent omnidirectional coverage. Pre-tuned and fully weatherproofed fibreglass construction. 200W power handling. 52cm radials. Mounts on masts of 30–62mm diameter. Wind rated to 50 m\/s.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDual band: 2m (144 MHz) \u0026amp; 70cm (430 MHz)\u003c\/li\u003e\n\u003cli\u003eGain: 6.5 dBi (2m) \/ 9 dBi (70cm)\u003c\/li\u003e\n\u003cli\u003e200W power handling\u003c\/li\u003e\n\u003cli\u003e2 x 5\/8-wave (2m) \/ 5 x 5\/8-wave (70cm) collinear design\u003c\/li\u003e\n\u003cli\u003ePre-tuned — no adjustment required\u003c\/li\u003e\n\u003cli\u003eFully weatherproofed fibreglass construction\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eRadial length: 52cm\u003c\/li\u003e\n\u003cli\u003eMast diameter: 30–62mm\u003c\/li\u003e\n\u003cli\u003eWind rating: 50 m\/s\u003c\/li\u003e\n\u003cli\u003eLength: 3.1m | Weight: 1.5kg\u003c\/li\u003e\n\u003cli\u003eMade by Diamond Antenna (Japan)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Dual band fibreglass collinear base antenna\u003c\/li\u003e\n\u003cli\u003eFrequency: 144 MHz (2m) \u0026amp; 430 MHz (70cm)\u003c\/li\u003e\n\u003cli\u003eGain: 6.5 dBi (2m) \/ 9 dBi (70cm)\u003c\/li\u003e\n\u003cli\u003eDesign: 2 x 5\/8-wave (2m) \/ 5 x 5\/8-wave (70cm)\u003c\/li\u003e\n\u003cli\u003eMax power: 200W\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eRadial length: 52cm\u003c\/li\u003e\n\u003cli\u003eLength: 3.1m\u003c\/li\u003e\n\u003cli\u003eWeight: 1.5kg\u003c\/li\u003e\n\u003cli\u003eMast diameter: 30–62mm\u003c\/li\u003e\n\u003cli\u003eWind rating: 50 m\/s\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Japan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DIAMOND","offers":[{"title":"Default Title","offer_id":55963536884056,"sku":"MOON-11-8041","price":114.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/diamond-x300.jpg?v=1760533893"},{"product_id":"diamond-v-2000","title":"Diamond V-2000 Tri-Band 6m \/ 2m \/ 70cm Base Antenna 2.15\/6.2\/8.4dBi Gain, 150W, SO-239, 2.5m, Pre-Tuned","description":"\u003cp\u003eThe \u003cstrong\u003eDiamond V-2000\u003c\/strong\u003e is a high-gain tri-band fibreglass base station antenna covering 6 metres, 2 metres, and 70cm — making it one of the most versatile VHF\/UHF base antennas available for amateur radio operators. The addition of 6m (50 MHz) coverage sets it apart from standard dual-band antennas, making it an ideal choice for operators active on the 6m \"Magic Band\" as well as the more common 2m and 70cm bands. With gains of 2.15 dBi on 6m, 6.2 dBi on 2m, and 8.4 dBi on 70cm, it delivers excellent omnidirectional performance across all three bands from a single 2.5m antenna. Pre-tuned and fully weatherproofed fibreglass construction with mast mounting brackets included. Mounts on masts of 30–62mm diameter. Wind rated to 50 m\/s.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTri-band: 6m (50 MHz) \/ 2m (144 MHz) \/ 70cm (430 MHz)\u003c\/li\u003e\n\u003cli\u003eGain: 2.15 dBi (6m) \/ 6.2 dBi (2m) \/ 8.4 dBi (70cm)\u003c\/li\u003e\n\u003cli\u003e150W power handling\u003c\/li\u003e\n\u003cli\u003e1\/2-wave (6m) \/ 2 x 5\/8-wave (2m) \/ 4 x 5\/8-wave (70cm) collinear design\u003c\/li\u003e\n\u003cli\u003ePre-tuned — no adjustment required\u003c\/li\u003e\n\u003cli\u003eFully weatherproofed fibreglass construction\u003c\/li\u003e\n\u003cli\u003eMast mounting brackets included\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eRadial length: 92cm\u003c\/li\u003e\n\u003cli\u003eMast diameter: 30–62mm\u003c\/li\u003e\n\u003cli\u003eWind rating: 50 m\/s\u003c\/li\u003e\n\u003cli\u003eLength: 2.5m | Weight: 1.2kg\u003c\/li\u003e\n\u003cli\u003eMade by Diamond Antenna (Japan)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Tri-band fibreglass collinear base antenna\u003c\/li\u003e\n\u003cli\u003eFrequency: 6m (50 MHz) \/ 2m (144 MHz) \/ 70cm (430 MHz)\u003c\/li\u003e\n\u003cli\u003eGain: 2.15 dBi (6m) \/ 6.2 dBi (2m) \/ 8.4 dBi (70cm)\u003c\/li\u003e\n\u003cli\u003eDesign: 1\/2-wave (6m) \/ 2 x 5\/8-wave (2m) \/ 4 x 5\/8-wave (70cm)\u003c\/li\u003e\n\u003cli\u003eMax power: 150W\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eRadial length: 92cm\u003c\/li\u003e\n\u003cli\u003eLength: 2.5m\u003c\/li\u003e\n\u003cli\u003eWeight: 1.2kg\u003c\/li\u003e\n\u003cli\u003eMast diameter: 30–62mm\u003c\/li\u003e\n\u003cli\u003eWind rating: 50 m\/s\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Japan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DIAMOND","offers":[{"title":"Default Title","offer_id":55963937866072,"sku":"MOON-11-800","price":129.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/v2000.jpg?v=1760535132"},{"product_id":"multiband-end-fed-long-wire-antenna-80-6m","title":"Multiband End Fed Long Wire Antenna 80-6m inc. WARC, 9:1 Unun, 400W, 20m Wire, SO-239","description":"\u003cp\u003eThe \u003cstrong\u003eMoonraker Multiband End Fed Long Wire Antenna\u003c\/strong\u003e is a versatile, easy-to-deploy HF wire antenna covering 80 metres through to 6 metres — including the WARC bands (17m, 12m, 30m). Supplied complete with a built-in \u003cstrong\u003e9:1 Unun\u003c\/strong\u003e (unbalanced-to-unbalanced transformer) that transforms the high impedance of the end-fed wire to a more manageable level for your ATU, allowing a good match to be obtained across all bands with a quality external antenna tuner. At 20m of wire and 400W power handling, it's a practical, high-performance solution for operators who want multi-band HF coverage without the complexity of a centre-fed dipole or the need for a tall mast. An additional ground connection terminal is provided for an earth rod if required — useful for improving performance and reducing RF in the shack. Connects via SO-239 (UHF-Female).\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCovers 80m–6m including WARC bands (30m, 17m, 12m)\u003c\/li\u003e\n\u003cli\u003eBuilt-in 9:1 Unun for ATU matching\u003c\/li\u003e\n\u003cli\u003e400W power handling\u003c\/li\u003e\n\u003cli\u003e20m wire length\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eGround connection terminal for earth rod (optional)\u003c\/li\u003e\n\u003cli\u003eNo centre support required — end-fed design\u003c\/li\u003e\n\u003cli\u003eRequires a quality external ATU for multi-band operation\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: End-fed long wire antenna with 9:1 Unun\u003c\/li\u003e\n\u003cli\u003eFrequency: 80m–6m (inc. WARC bands)\u003c\/li\u003e\n\u003cli\u003eUnun ratio: 9:1\u003c\/li\u003e\n\u003cli\u003eWire length: 20m\u003c\/li\u003e\n\u003cli\u003eMax power: 400W\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eGround terminal: Yes (for optional earth rod)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MOONRAKER","offers":[{"title":"Default Title","offer_id":56189590307160,"sku":null,"price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/11-494-1.jpg?v=1763032813"},{"product_id":"g5rv-hsx-deluxe-1-2-size","title":"G5RV-HSX Deluxe Half-Size G5RV Antenna 1000W, 10-40m, 450Ω Ribbon, 15.5m Wire, SO-239","description":"\u003cp\u003eThe \u003cstrong\u003eMoonraker G5RV-HSX Deluxe\u003c\/strong\u003e is a high-quality half-size G5RV multi-band HF wire antenna — one of the most popular and practical all-round HF antennas for amateur radio operators with limited garden space. The G5RV design has been a favourite for decades, offering good multi-band performance on 10, 15, 20, and 40 metres when used with an external ATU, while allowing standard 50Ω coax as the entry feedline to your shack — eliminating the need for ladder line or twin lead running into the house. This Deluxe version uses 15.5m of high-quality 3.5mm PVC-coated flex-weave wire and 4.6m of USA-made 450Ω ladder ribbon for superior build quality and durability. 1000W power handling. Resonant on 10m without a tuner; requires an external ATU for other bands. Note: some internal ATUs may not have sufficient range to tune this antenna.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHalf-size G5RV — ideal for smaller gardens \u0026amp; limited spaces\u003c\/li\u003e\n\u003cli\u003eCovers 10, 15, 20 \u0026amp; 40 metres (with external ATU)\u003c\/li\u003e\n\u003cli\u003eResonant on 10m without a tuner\u003c\/li\u003e\n\u003cli\u003e1000W power handling\u003c\/li\u003e\n\u003cli\u003e15.5m of 3.5mm PVC-coated flex-weave wire\u003c\/li\u003e\n\u003cli\u003e4.6m of USA-made 450Ω ladder ribbon\u003c\/li\u003e\n\u003cli\u003eHigh-quality moulded SO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003e50Ω coax feedline — no ladder line into the shack required\u003c\/li\u003e\n\u003cli\u003eExternal ATU required for multi-band operation\u003c\/li\u003e\n\u003cli\u003eMade by Moonraker (UK)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Half-size G5RV (Deluxe 450Ω version)\u003c\/li\u003e\n\u003cli\u003eFrequency: 10, 15, 20 \u0026amp; 40 metres\u003c\/li\u003e\n\u003cli\u003eResonant band: 10m (no tuner required)\u003c\/li\u003e\n\u003cli\u003eWire length: 15.5m (3.5mm PVC-coated flex-weave)\u003c\/li\u003e\n\u003cli\u003eRibbon length: 4.6m (USA 450Ω ladder ribbon)\u003c\/li\u003e\n\u003cli\u003eImpedance: 50Ω\u003c\/li\u003e\n\u003cli\u003eMax power: 1000W\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female, high-power moulded)\u003c\/li\u003e\n\u003cli\u003eCountry of origin: UK\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MOONRAKER","offers":[{"title":"Default Title","offer_id":56366078198104,"sku":"MOON-11-440","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/11-440.jpg?v=1765370106"},{"product_id":"scanking-hf-discone","title":"Scan King HF Discone Antenna 0.05-2000MHz Wideband, Scanner \u0026 SDR, 185cm","description":"\u003cp\u003eThe \u003cstrong\u003eMoonraker Scan King HF Discone\u003c\/strong\u003e is a wideband discone antenna covering an exceptional 0.05–2000 MHz frequency range — making it one of the most versatile receive antennas available for scanner, SDR (Software Defined Radio), and amateur radio monitoring use. The discone design provides near-omnidirectional coverage with up to 1.5 dBi gain across its entire frequency range, with no retuning required as you move between bands. With 8 x 90cm upper radials and 8 x 30cm lower radials, it's a proper full-size HF discone that performs from LF\/MF through HF, VHF, and UHF all the way to 2 GHz. Mounts on masts up to 50mm diameter via SO-239 (UHF-Female) connection. At 185cm tall, it's an ideal single-antenna solution for serious scanner and SDR enthusiasts who want to monitor everything from longwave through to microwave bands.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWideband coverage: 0.05–2000 MHz (50 kHz–2 GHz)\u003c\/li\u003e\n\u003cli\u003eDiscone design — no retuning required across the full frequency range\u003c\/li\u003e\n\u003cli\u003eGain: up to 1.5 dBi\u003c\/li\u003e\n\u003cli\u003e8 x 90cm upper radials \u0026amp; 8 x 30cm lower radials\u003c\/li\u003e\n\u003cli\u003eSO-239 (UHF-Female) connector\u003c\/li\u003e\n\u003cli\u003eMast diameter: up to 50mm\u003c\/li\u003e\n\u003cli\u003eLength: 185cm\u003c\/li\u003e\n\u003cli\u003eIdeal for scanner, SDR, and amateur radio monitoring\u003c\/li\u003e\n\u003cli\u003eCovers LF \/ MF \/ HF \/ VHF \/ UHF in a single antenna\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: HF Discone wideband antenna\u003c\/li\u003e\n\u003cli\u003eFrequency range: 0.05–2000 MHz\u003c\/li\u003e\n\u003cli\u003eGain: up to 1.5 dBi\u003c\/li\u003e\n\u003cli\u003eRadials: 8 x 90cm (upper) \/ 8 x 30cm (lower)\u003c\/li\u003e\n\u003cli\u003eConnector: SO-239 (UHF-Female)\u003c\/li\u003e\n\u003cli\u003eMast diameter: up to 50mm\u003c\/li\u003e\n\u003cli\u003eLength: 185cm\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MOONRAKER","offers":[{"title":"Default Title","offer_id":56648672837976,"sku":"MOON-11-554","price":79.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/11-554-3_1.jpg?v=1770030553"},{"product_id":"diamond-x-50-n","title":"Diamond X-50N Dual Band 2m \u0026 70cm Ham Base Antenna 4.5\/7.2dBi Gain, 200W, N-Type, 1.7m, Pre-Tuned","description":"\u003cp\u003eThe \u003cstrong\u003eDiamond X-50N\u003c\/strong\u003e is a mid-range, high-performance dual-band fibreglass base station antenna for 2-metre (144 MHz) and 70cm (430 MHz) amateur radio use — sitting between the compact X-30N and the larger X-200N in the Diamond dual-band range. With a gain of 4.5 dBi on 2m and 7.2 dBi on 70cm, 200W power handling, and a 3 x 1\/4 \/ 3 x 5\/8-wave collinear design, it delivers excellent omnidirectional performance on both bands from a 1.7m antenna. Pre-tuned and fully weatherproofed fibreglass construction with mast mounting brackets included. The N-type connector ensures low-loss, weatherproof connectivity. Rated to withstand wind velocities of 60 m\/s. Mounts on masts of 30–62mm diameter.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDual band: 2m (144 MHz) \u0026amp; 70cm (430 MHz)\u003c\/li\u003e\n\u003cli\u003eGain: 4.5 dBi (2m) \/ 7.2 dBi (70cm)\u003c\/li\u003e\n\u003cli\u003e200W power handling\u003c\/li\u003e\n\u003cli\u003e3 x 1\/4-wave (2m) \/ 3 x 5\/8-wave (70cm) collinear design\u003c\/li\u003e\n\u003cli\u003eN-type connector for low-loss, weatherproof connection\u003c\/li\u003e\n\u003cli\u003ePre-tuned — no adjustment required\u003c\/li\u003e\n\u003cli\u003eFully weatherproofed fibreglass construction\u003c\/li\u003e\n\u003cli\u003eMast mounting brackets included\u003c\/li\u003e\n\u003cli\u003eRadial length: 19cm\u003c\/li\u003e\n\u003cli\u003eMast diameter: 30–62mm\u003c\/li\u003e\n\u003cli\u003eWind rating: 60 m\/s\u003c\/li\u003e\n\u003cli\u003eLength: 1.7m | Weight: 0.9kg\u003c\/li\u003e\n\u003cli\u003eMade by Diamond Antenna (Japan)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Dual band fibreglass collinear base antenna\u003c\/li\u003e\n\u003cli\u003eFrequency: 144 MHz (2m) \u0026amp; 430 MHz (70cm)\u003c\/li\u003e\n\u003cli\u003eGain: 4.5 dBi (2m) \/ 7.2 dBi (70cm)\u003c\/li\u003e\n\u003cli\u003eMax power: 200W\u003c\/li\u003e\n\u003cli\u003eDesign: 3 x 1\/4-wave (2m) \/ 3 x 5\/8-wave (70cm)\u003c\/li\u003e\n\u003cli\u003eConnector: N-type\u003c\/li\u003e\n\u003cli\u003eLength: 1.7m\u003c\/li\u003e\n\u003cli\u003eRadial length: 19cm\u003c\/li\u003e\n\u003cli\u003eWeight: 0.9kg\u003c\/li\u003e\n\u003cli\u003eMast diameter: 30–62mm\u003c\/li\u003e\n\u003cli\u003eWind rating: 60 m\/s\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Japan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DIAMOND","offers":[{"title":"Default Title","offer_id":56736656163160,"sku":"MOON-11-809","price":59.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/diamond-x50n-1b.png?v=1771320047"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/collections\/base.jpg?v=1713802851","url":"https:\/\/kamsat.co.uk\/collections\/base.oembed?page=3","provider":"Kamsat","version":"1.0","type":"link"}