{"product_id":"kjm-4-ais-antenna-3db-white-a431-ais","title":"KJM 4' AIS Antenna 3dB White  • A431-AIS","description":"\u003cp\u003e\u003cspan\u003e4' 3dB White AIS\/VHF Antenna with 20' RG58 Cable by KJM®. The new A431-AIS marine AIS\/VHF antenna builds on the success of the A430-AIS and includes 20' of low-loss RG-8\/X cable permanently attached to the antenna and a high-quality solder-type PL-259 connector for a hassle-free, professional installation.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e\u003cul\u003e\n\u003cli\u003e\u003cdiv\u003eFrequency Range: Marine VHF Band, 156-163 MHz, tuned to AIS frequency\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003eAverage Gain: 3 db\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003eHousing: 4' White Fiberglass with Stainless Steel Ferrule\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003eImpedance: 50 ohms\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003eMax. Input Power: 50 Watts\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003ePolarization: Vertical\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003eElements: Copper and Brass\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003eSWR: Nominally 1.5:1 at 156.8 MHz\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003eCable supplied: 20' RG-8\/X\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003eConnector: PL-259, solder type, not installed\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003eDC Ground: Grounded: The antenna will read shorted on continuity tes\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003eSingle 4' section, 3db gain\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003eBrass and copper elements for maximum range and efficiency\u003c\/li\u003e\n\u003cli\u003eStainless steel ferrule with standard 1″-14 thread\u003c\/li\u003e\n\u003cli\u003e20ft RG-8\/X low-loss cable\u003c\/li\u003e\n\u003cli\u003eSolder-type PL-259 connector\u003c\/li\u003e\n\u003cli\u003eSuggested mount: M101 (sold separately)\u003c\/li\u003e\n\u003cli\u003eSuggested AIS\/VHF splitter: SPL100 (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"KJM","offers":[{"title":"Default Title","offer_id":51914622500996,"sku":"KJMA431AIS","price":161.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1009\/3199\/3732\/files\/orig_22-151058.jpg?v=1780445603","url":"https:\/\/unchartedusa.com\/products\/kjm-4-ais-antenna-3db-white-a431-ais","provider":"Uncharted USA","version":"1.0","type":"link"}