Digital Antenna 578-SW 4 AIS Antenna [578-SW ] Anchoring & Docking | Anchoring Accessories Used as AC Main circuit

Used as AC Main circuit protection

Outer Bezel available in Stainless Steel or Black Polymer

Inside the housing

And because it’s GPS and GLONASS

Digital Antenna 578-SW 4 AIS Antenna [578-SW ] Anchoring & Docking | Anchoring Accessories Used as AC Main circuitAIS 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