Digital Antenna 578-SW 4 AIS Antenna [578-SW ]

AIS Antennas are a must - have for commercial vessels, and our Digital Antenna 578 - SW 4 AIS Antenna is a top - notch choice. It's 4 feet long and has a 4.5dB gain. Specifically designed to meet the strict AIS frequency requirements of the USCG Automatic Identification System for commercial vessels, this antenna offers excellent performance. With a low 1.5:1.0 SWR ratio from 159 - 162 MHz, it ensures durability and compatibility with all AIS transponders. The 500 GOLD Series comes with an easy - to - install connector system. The gold factory - attached mini - UHF female connector with PL - 259 (UHF) adapter makes connecting to the AIS transponder a breeze, no soldering needed! All our antennas are proudly made in the USA. They are hand - assembled, tested, and tuned for maximum quality, performance, and durability. The 4 - foot AIS antennas feature powerful brass radiators, soldered connections, a power - directing ferrite choke bead, a high - gloss urethane finish, a 316 stainless - steel ferrule, and a 4.5dB gain. The 500 GOLD Series has a standard 114 threaded base for mounting, a gold factory - attached mini - UHF female connector with a mini - UHF male to UHF male (PL259) adapter, and includes 25 feet of low - loss, tinned braid, foil - shielded, UV - stable RG - 8X marine cable. This product has a white color, a fiberglass construction, a stainless - steel ferrule, and is 48 inches long. The box dimensions are 3'H x 3'W x 50'L, and it weighs 3.2 lbs. UPC: 839494001619. A quick guide (pdf) is also available. Note: This product may not be returned to the original point of purchase. Contact the manufacturer directly for any issues.

Using your Digital Antenna 578 - SW 4 AIS Antenna is easy. First, find a suitable place on your vessel to mount it using the standard 114 threaded base. Connect the antenna to your AIS transponder using the gold factory - attached mini - UHF female connector with the provided PL - 259 (UHF) adapter. There's no need to solder, so it's a quick and simple process. When using, make sure the antenna is properly oriented for the best signal reception. As for maintenance, keep the antenna clean. Wipe it down regularly with a soft cloth to remove any dirt or debris. Check the connections from time to time to ensure they are secure. If you encounter any issues, don't return it to the place of purchase. Instead, contact the manufacturer directly. Enjoy using your high - performance AIS antenna on your commercial vessel!