Digital 578-S 4' AIS Antenna

In conjunction with the USCG Automatic Identification System (AIS) requirements for commercial vessels, Digital Antenna offers this AIS antenna that meets the exacting AIS frequency requirements. Designed with a low 1.5:1.0 SWR ratio from 159-162 MHz for use with AIS transceivers, Digital Antenna's 4.5dB gain AIS antenna offers unsurpassed durability and performance and is compatible with all AIS transponders. Eliminate soldering with the factory-attached GOLD mini-UHF female connector. It requires only a 3/8" hole for cable routing and makes connecting to the radio simple with the provided screw-on adapter. Assembled, tested, and tuned by hand for superior performance and reliability.

Features:
• Powerful brass radiators
• Soldered connections
• Power-directing ferrite choke bead
• High-gloss urethane finish
• 316 stainless steel ferrule
• 4.5dB gain
• Standard 1"-14 threaded base
• Gold factory-attached mini-UHF female with mini-UHF male to UHF male (PL259) adapter
• Includes 25' of low-loss, tinned-braid, foil-shielded, UV-stable RG-8X marine cable