![Digital Antenna 578-SW 4 AIS Antenna [578-SW ] Brand_Maxwell Molded in durable reinforced polycarbonate](https://cdn.shopify.com/s/files/1/0422/8913/5778/files/16968XL.jpg?v=1744403486)
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Molded in durable reinforced polycarbonate
Won't Scratch Finishes
Standard 1"-14 thread
Compatible hull material: fiberglass
Length (Inches): 10"
Digital Antenna 578-SW 4 AIS Antenna [578-SW ] Brand_Maxwell Molded in durable reinforced polycarbonateAIS 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
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