Digital Antenna 876-SW 4 AIS Antenna - White [876-SW] Anchoring & Docking Fits all Perko and Guest

Fits all Perko and Guest low amperage battery switch hole patterns

Amperage doesn't exceed 16 because the unit circulates oil

Shakespeare Style 4700-1 Extension Mast

which ensures faster setting-performance

Digital Antenna 876-SW 4 AIS Antenna - White [876-SW] Anchoring & Docking Fits all Perko and GuestAIS 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. All of our antennas are made