{"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":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8753\/5192\/files\/56-257.jpg?v=1715607007","url":"https:\/\/kamsat.co.uk\/products\/sigma-venom-1-2-wave-cb-base-antenna","provider":"Kamsat","version":"1.0","type":"link"}