SKU: 95587359760

Digital 578sw 4' Ais Antenna

Sale price$150.25 Regular price$166.95
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 23 - Aug 28

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Description

Digital 578sw 4' Ais AntennaIn 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 Antenna's 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

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 Antenna's 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 Digital antennas are made in the USA, assembled, tested and tuned by hand for maximum performance, quality and durability.

Features:

Powerful brass radiators
Soldered connections
Power directing ferrite choke bead
High gloss urethane finish
316 stainless steel ferrule
4.5dB gain
500 GOLD Series: 578-SW

Mount: Standard 1""-14 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

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 95587359760

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Brian Andrew Martin
Fort Morgan, US
★★★★★ 5
High‑style look that feels way more expensive than it is.
Size: X-Large, Color: Orange
Okay, let’s talk about this shirt because I was not expecting to love it as much as I do. The Men’s Long Sleeve Polo Shirt with the quarter‑zip is giving premium designer energy without the designer price tag. From the moment I put it on, the fit was chef’s kiss—slim, clean, and athletic without feeling tight. The fabric has that smooth, high‑end feel you usually only get from brands that make your wallet cry. But here? You’re getting elevated style at a totally reasonable price.
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Reviewed in the United States on December 30, 2025
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Kimberly M.
Los Angeles, US
★★★★★ 2
Very thin
Size: Large, Color: White
Very thin, poor quality. Returned it.
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Reviewed in the United States on March 7, 2026
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Celia
Omaha, US
★★★★★ 5
Magnificent fabric
Color: Pink, Size: Medium, Color: Pink, Size: Medium
A beautiful sweater—exactly like the one in the photo. The fabric is stretchy and of very good quality; it is perfect for a casual occasion where you also want to look practical. It pairs very well with shorts.
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Reviewed in the United States on April 26, 2026
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MP
Charlottesville, US
★★★★★ 5
Great Sweater
Color: Black, Size: 3X-Large
My son wore this to an event he got so many compliments on it. The quality of the fabric and the design makes it look so much more expensive.
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Reviewed in the United States on April 16, 2026
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Danielle
Grantham, US
★★★★★ 5
Nice long sleeved polo
It looks great , nice color, warm but not too warm. It fits well, soft, washes well, and so far hasn’t come apart in wash. And it has long sleeves. I liked it so much I bought in more than one color. Nice selection of colors so I can wear one every day of the week.
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Reviewed in the United States on January 18, 2026

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