Digital Antenna 578-SW 4 AIS Antenna [578-SW ] Communication Cone Size - 5" (127mm)

Cone Size - 5" (127mm)

"Power On" and "Reverse Polarity" LEDs

8262 Waterproof Panel 4 Position - Slate Grey

m-Series (Mini) Battery Switch

When you're far from your favorite stations

Digital Antenna 578-SW 4 AIS Antenna [578-SW ] Communication Cone Size - 5" (127mm)AIS 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