Digital Antenna 578-SB 4' AIS Antenna - 578-SB

Digital Antenna 578-SB 4' AIS Antenna - 578-SB

Marsoni

M251S

$148.00

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

Digital Antenna 578-SB 4' AIS Antenna - 578-SBAIS 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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The product is great no issues. It’s very durable. All of this brands products are strong and durable. The only reason I gave it a four star is I think my dogs prefer more the blue round balls. So that being said, I won’t buy these anymore, but they love the blue ones whether they’re the recycled or not. Great company!

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Reviewed in the United States on May 26, 2025

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Brandie Luvlee

Birmingham, US

★★★★★ 5

Unique bouncing

Color: Green, Size: Medium (2-1/2 in (Pack of 2))

Outside of many my kids🐶 balls this one his best favorite for than the others as the bounce is high and unpredictable that makes it more intellectual and exciting for him

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Reviewed in the United States on May 24, 2026

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SH18750

Lowell, US

★★★★★ 5

Pups Love

Color: Green, Size: Medium (2-1/2 in, (Pack of 1)), Color: Green, Size: Medium (2-1/2 in, (Pack of 1))

As you can see from the photo, my pup absolutely loves it! It’s the perfect size for him and for reference he’s 25 pounds. It’s got a nice weight to it, but it’s soft enough to be able to throw and not worry about damaging the walls. We just started playing with it today, but it seems very durable.

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Reviewed in the United States on March 27, 2026

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Randy Brock

Boise, US

★★★★★ 3

Fun for the first day, but just get the round balls.

Color: Green, Size: Medium (2-1/2 in (Pack of 2))

These balls do work, but they bouncy pretty much like a regular chuck it ball. They do NOT fit in the chuck it handheld ball launcher, which makes them a pain to throw. The green color also makes them somewhat challenging to find when the grass is long. That said, they do work as intended, and the dogs like them the same as all the other chuck it balls we own. As the person who had to throw them, my advice would be to just get the round balls that fit in the ball launcher. Durability: 9/10 they hood together better than the traditional balls without the hole (that crack down the seam over time). These have yet to crack despite the same wear and tear. Pros: durable, dogs like them, they do sink in water Cons: green color, hard to fit in handheld ball launcher

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Reviewed in the United States on June 3, 2023