SI-TEX GPK-11 GPS Antenna - GPK-11

Marsoni

M251S

$105.50

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

SI-TEX GPK-11 GPS Antenna - GPK-11SI TEX GPK 11 GPS Antenna GPK 11 GPK 11 GPS WAAS Receiver True 16 Channel GPS WAAS Receiver The new GPk 11 receiver adds unprecedented positioning accuracy to your existing electronics by utilizing advanced WAAS technology and best of all, it can be mounted virtually next to most other onboard electronics without signal interference. Will put your boat within 3 meters of your waypoint in most situations great for revisiting fishing hotspots.

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We offer a 30-day return/exchange service after receiving.
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I love this charging station. It lives on my desk and it gets used all day every day with every device I can think of charges my phone, my MacBook Pro, my gaming, laptop, headphones, etc and it doesn’t quickly. I’ve had no problems with it whatsoever, and I love the retracting cables, and a little adhesive pad that keeps it in place on the desk. Well done!

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Reviewed in the United States on June 11, 2026

Verified Purchase

Jackson

Los Angeles, US

★★★★★ 5

retractable cable is a game changer for desk cable management

Color: Black

The retractable cable on this power strip is the feature I didn't know I needed. Being able to extend exactly as much cord as you need and have the rest neatly contained means zero cable clutter on the desk. The 2.3ft cord is enough for most desk setups and the coil retracts cleanly every time. 100W total output is adequate for a multi-device setup — I run a MacBook Pro (via the 65W USB-C port), an iPad, a phone, and a small lamp off it simultaneously without issues. Three AC outlets cover anything that doesn't charge via USB. The form factor is compact enough that it sits on the desk surface without being in the way. Build quality feels premium, not flimsy. The InstaCord retraction mechanism is smooth and doesn't feel like it'll snap after a few months. One thing to note: this doesn't have a battery, it's just a power strip with a retractable cord. If you need a battery backup, look elsewhere. As a pure power strip with great cable management, it's excellent.

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Reviewed in the United States on April 13, 2026

Verified Purchase

Jonathan M. Lisee

Natrona Heights, US

★★★★★ 5

Awesome desktop accessory!

Color: Black

Perfect desktop accessory for maximum functionality. 3 outlets on the back and 2 USB C cables that come out the sides. Holding to the side via a magnet. Charges my devices very quickly. Absolute workhorse for its weight and portability.

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Reviewed in the United States on April 3, 2026