{"product_id":"digital-antenna-578-sw-4-ais-antenna-with-4-5db-gain-and-easy-connect-system","title":"Digital Antenna 578-SW 4' AIS Antenna with 4.5dB Gain and Easy Connect System","description":"\u003cb\u003eAIS Antennas\u003c\/b\u003e\u003cbr\u003e4' Length, 4.5dB Gain\u003cbr\u003e\u003cbr\u003eIn conjunction with the USCG Automatic Identification System (AIS) requirements for commercial vessels, Digital Antenna created a series of 4 AIS antennas that meet the exacting AIS frequency requirements. Designed with a low 1.5:1.0 SWR ratio from 159-162 MHz, Digital Antennas 4.5 dB gain AIS antennas offer unsurpassed durability and performance compatible with all AIS transponders.\u003cbr\u003e\u003cbr\u003eCustomers 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.\u003cbr\u003e\u003cbr\u003eAll of our antennas are made in the USA, assembled, tested and tuned by hand for maximum performance, quality and durability.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAll 4' AIS Antennas Feature:\u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003ePowerful brass radiators \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSoldered connections \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower directing ferrite choke bead \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHigh gloss urethane finish \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e316 stainless steel ferrule \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e4.5dB gain \u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cb\u003e500 GOLD Series\u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eMount: Standard 114 threaded base \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eConnector: Gold factory-attached mini-UHF female with mini-UHF male to UHF male (PL259) adapter \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCable: Includes 25 of our low-loss, tinned braid, foil shielded, UV stable RG-8X marine cable \u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cstrong\u003eThis product may not be returned to the original point of purchase.  Please contact the manufacturer directly with any issues or concerns.\u003c\/strong\u003e \u003c!--- cis2:m2lumZRk ---\u003e\n\u003cp\u003eThe Digital Antenna 578-SW is a 4-foot AIS antenna designed to meet the precise frequency and performance requirements for commercial vessels and recreational boats. Constructed with powerful brass radiators and soldered connections, this antenna ensures reliable transmission and durability in challenging marine environments. Its high-gloss urethane finish provides resistance to the elements, while the 316 stainless steel ferrule adds strength and corrosion resistance for long-lasting use. With a low SWR ratio of 1.5:1 from 159-162 MHz, the 578-SW offers optimal signal integrity and minimal power loss, making it an excellent choice for AIS transponders and other communication equipment.\u003c\/p\u003e\u003cp\u003eOne of the standout features of the Digital Antenna 578-SW is its user-friendly 500 GOLD Series mounting and connection system. The standard 114 threaded base allows secure installation on various vessel types. The gold factory-attached mini-UHF female connector, coupled with a mini-UHF male to UHF male (PL-259) adapter, simplifies the connection process, eliminating the need for soldering and specialized tools. The included 25 feet of low-loss, tinned braid, foil shielded, UV stable RG-8X marine cable ensures efficient signal transfer and durability in marine conditions. All antennas are assembled, tested, and tuned by hand in the USA to guarantee maximum performance and quality.\u003c\/p\u003e\u003cp\u003eWhether for commercial or recreational use, the Digital Antenna 578-SW offers a robust, high-performance solution for AIS communication needs. Its rugged construction and easy installation make it suitable for a variety of vessels, providing reliable AIS data transmission essential for safety and situational awareness at sea. Please contact the manufacturer directly for any support or warranty inquiries, as this product may not be returnable to the original point of purchase.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003ePowerful brass radiators for optimal signal transmission\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSoldered connections ensuring durability and reliable performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePower directing ferrite choke bead for improved signal quality\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh gloss urethane finish providing resistance to weather and corrosion\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e316 stainless steel ferrule enhances strength and longevity\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLow SWR of 1.5:1 across 159-162 MHz for efficient operation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eStandard 114 threaded mounting base for versatile installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eGold factory-attached mini-UHF female connector with PL-259 adapter for easy connection\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes 25 feet of low-loss, UV-stable RG-8X marine cable for reliable signal transfer\u003c\/li\u003e\u003c\/ul\u003e","brand":"Digital Antenna","offers":[{"title":"Default Title","offer_id":44531116638250,"sku":"16968","price":270.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/16968XL.jpg?v=1783133124","url":"https:\/\/atticusgoods.com\/products\/digital-antenna-578-sw-4-ais-antenna-with-4-5db-gain-and-easy-connect-system","provider":"Atticus Goods","version":"1.0","type":"link"}