Digital Antenna 578-SW 4' AIS Antenna Marine

Digital Antenna 578-SW 4' AIS Antenna Marine

Marsoni

M251S

$168.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Digital Antenna 578-SW 4' AIS Antenna MarineAIS 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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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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I’m 5’6” and ordered the small — it fits perfectly! The color is exactly as shown in the pictures, a beautiful beige that goes with everything. The fabric is incredibly soft and comfortable, making it great for layering or wearing on its own. I’m really happy with this purchase and would definitely recommend it!

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Reviewed in the United States on November 1, 2025