Digital Antenna 578-SW 4 AIS Antenna [578-SW ] Boat Outfitting 2 3/4″(70 mm) Direct Reading

2 3/4″(70 mm) Direct Reading Dial

Full Internal Gimbals

Automatic Sea State and Trim Controls and ten selectable levels of rudder sensitivity with high and low speed settings for smooth

Lexan cover protects electrohydraulic unit from occasional wash down and translucent reservoir allows fluid check at a glance

Digital Antenna 578-SW 4 AIS Antenna [578-SW ] Boat Outfitting 2 3/4″(70 mm) Direct ReadingAIS 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