Digital Antenna 578-SW 4 AIS Antenna [578-SW ] Marine Hardware | Deck Plates Outside Diameter - 5-1/4" (132mm)

Outside Diameter - 5-1/4" (132mm)

Height: 19"

and fiberglass

Backed by nearly 40 years of trim tab

this number plate is easy to snap on and off

Digital Antenna 578-SW 4 AIS Antenna [578-SW ] Marine Hardware | Deck Plates Outside Diameter - 5-1/4" (132mm)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