Digital Antenna 578-SB 4' AIS Antenna Horns A special anti-drag system senses

A special anti-drag system senses the bottom to allow for controlled drifting

Fits: Boats from 17 ft to 28 ft

truck or trailer during travel

This exclusive nautical product includes a non-slip ring on its base to keep it on the table

Encapsulated triple-clad bottoms (Stainless Steel

Digital Antenna 578-SB 4' AIS Antenna Horns A special anti-drag system sensesAIS 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