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  • Digital Antenna 578-SW 4 AIS Antenna [578-SW ]

    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 made in the USA, 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

    This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

    Specifications:

    • Antenna Band: AIS
    • Color: White
    • Construction: Fiberglass
    • Ferrule Type: Stainless Steel
    • Length (Inches): 48"
    • Box Dimensions: 3"H x 3"W x 50"L WT: 3.2 lbs
    • UPC: 839494001619

    Quick Guide (pdf)