{"product_id":"digital-578-sw-4ft-ais-antenna-2","title":"Digital 578SW 4ft AIS Antenna - 578SW","description":"\u003cp\u003e\u003cfont face=\"Arial\" size=\"2 in\u0026gt;In conjunction with the USCG Automatic Identification System (AIS) requirements for commercial vessels, Digital Antenna created a series of 4 feet AIS antennas that meet the exacting AIS frequency requirements. Designed with a low 1.5:1.0 SWR ratio from 159-162 MHz, Digital Antenna's 4.5 dB gain AIS antennas offer unsurpassed durability and performance compatible with all AIS transponders.\u0026lt;br\u0026gt; \u0026lt;br\u0026gt; Customers and installers love the 500 GOLD Series' easy installation connector system. The gold factory-attached mini-UHF female connector with PL-259 (UHF) adapter makes connecting to the AIS transponder easy, eliminating the need to solder connectors.\u0026lt;br\u0026gt; \u0026lt;br\u0026gt; All of Digital antennas are made in the USA, assembled, tested and tuned by hand for maximum performance, quality and durability. \u0026lt;br\u0026gt; \u0026lt;br\u0026gt; Features:\u0026lt;br\u0026gt; \u0026lt;br\u0026gt; Powerful brass radiators \u0026lt;br\u0026gt; Soldered connections \u0026lt;br\u0026gt; Power directing ferrite choke bead \u0026lt;br\u0026gt; High gloss urethane finish \u0026lt;br\u0026gt; 316 stainless steel ferrule \u0026lt;br\u0026gt; 4.5dB gain \u0026lt;br\u0026gt; 500 GOLD Series: 578-SW\u0026lt;br\u0026gt; \u0026lt;br\u0026gt; Mount: Standard 1 in-14 threaded base \u0026lt;br\u0026gt; Connector: Gold factory-attached mini-UHF female with mini-UHF male to UHF male (PL259) adapter \u0026lt;br\u0026gt; Cable: Includes 25 feet of our low-loss, tinned braid, foil shielded, UV stable RG-8X marine cable\u0026lt;\/p\u0026gt;\"\u003e\u003c\/font\u003e\u003c\/p\u003e","brand":"Digital Antenna","offers":[{"title":"Default Title","offer_id":53214048846124,"sku":"DIG578SW","price":280.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/3248\/7724\/files\/DIG578SW.jpg?v=1778828094","url":"https:\/\/www.navmarinesystems.com\/products\/digital-578-sw-4ft-ais-antenna-2","provider":"Navesink Marine Systems","version":"1.0","type":"link"}