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Description
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
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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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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4.5 ★★★★★
Based on 1320 reviews
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Product Reviews
★★★★★ 5
Love these socks!
Fit Type: Classic Fit, Color: Black, Size: Large
They are a little on the thin side, but that is how I like them. Thin, comfortable, breathable, but still sturdy. They work great for me and I have bought them several times for me and my kids over the years.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2024
★★★★★ 4
Thin
Fit Type: Classic Fit, Color: Gray Assorted, Size: Medium
I bought these thinking they would be slightly thicker material. They are thin but don't make my feet sweat working outside in the heat while wearing them during my work shift. They are comfortable and stay in place so I don't have to keep fishing for them inside my shoe to move them up a bit.
The one thing I wish they had was the support band in the middle of the foot.
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Reviewed in the United States on June 22, 2023
★★★★★ 5
Super comfortable
Fit Type: Classic Fit, Color: Black, Size: Large
Love these socks. They are very soft fabric but also heavy so they are very durable. And the price is far cheaper than any of my local stores.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2025
★★★★★ 5
Great product
Fit Type: Classic Fit, Color: Black, Size: Large
These are my favorite socks I’ve ever purchased for no-show socks
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Reviewed in the United States on October 9, 2025
★★★★★ 5
Price
Fit Type: Classic Fit, Color: White, Size: Large
Good price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 4, 2026
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