Digital Antenna 578-SW 4 AIS Antenna [578-SW ] Watersports | Accessories Fixed Mount Black Polymer Base

Fixed Mount Black Polymer Base

The spring loaded X-Grip® cradle expands and contracts

starting with a blank slate

The rubber ball and socket system securely mounts the antenna while allowing for almost infinite adjustment

Atlantis 155 Handheld Two-Way VHF Floating Marine Radio

Digital Antenna 578-SW 4 AIS Antenna [578-SW ] Watersports | Accessories Fixed Mount Black Polymer BaseAIS Antennas 4' Length, 4. 5dB Gain In 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. Customers and installers