Digital Antenna 578-SB 4' AIS Antenna - 578-SB fishing boat hardware Recommended Speed: Less Than 5

Recommended Speed: Less Than 5 mph

Power Steering

impact-resistant bowl

Signal Mirror and Rescue Whistle

efficient operation

Digital Antenna 578-SB 4' AIS Antenna - 578-SB fishing boat hardware Recommended Speed: Less Than 5AIS 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