{"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","url":"https:\/\/kamsat.co.uk\/products\/sirio-sd-dipole","provider":"Kamsat","version":"1.0","type":"link"}