Digital Antenna 578-SB 4′ AIS Antenna

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 love the 500 GOLD Series easy installation connector system. The gold factory-attached mini-UHF female connector with PL-259 (UHF) adapter makes connecting to the AIS transponder easy eliminating the need to solder connectors.

All of our antennas are assembled, tested, and tuned by hand for maximum performance quality and durability.

All 4′ AIS Antennas Feature:

Powerful brass radiators

Soldered connections

Power directing ferrite choke bead

High gloss urethane finish

316 stainless steel ferrule

4.5dB gain

500 GOLD Series

Mount: Standard 114 threaded base

Connector: Gold factory-attached mini-UHF female with mini-UHF male to UHF male (PL259) adapter

Cable: Includes 25 of our low-loss tinned braid foil shielded UV stable RG-8X marine cable

Specifications for Digital Antenna 578-SB 4′ AIS Antenna:

Features of Digital Antenna 578-SB 4′ AIS Antenna

• Antenna Band: AIS
• Cable Length (Feet): 25′
• Cable Type: RG-8X
• Color: Black
• Construction: Fiberglass
• DB Gain (dB): 4.5dB
• Ferrule Type: Stainless Steel
• Length (Inches): 4′

Package Contents:

• Digital Antenna 578-SB 4′ AIS Antenna