External GPS Antenna for WatchMate 850 (GPA861)

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High Performance External GPS Antenna for WatchMate 850

This antenna is designed for the WatchMate 850 AIS Transponder. It combines a high performance GPS antenna and a low noise amplifier into a state-of-the-art compact and fully waterproof enclosure.

This innovative antenna design has two mounting options; Pole Mount or base Mount. As well as being easy to mount it comes with a 10m (32.8 feet) cable with the proper connector pre-installed so all you have to do is plug it into the back of your WatchMate 850.

External GPS Antenna for WatchMate 850
  • Fully weather proof
  • Ultra-high sensitivity
  • Compact construction
  • Excellent temperature stability
  • Pre-installed connector for direct plug-in to WatchMate 850
  • Two mounting configurations (pole or base)



Compatibility: For use only with a WatchMate 850.
Click here for the correct antenna for a WatchMate Vision, XB-8000 or XB-6000.
Construction: Compact waterproof (IPx7) housing
Dimensions: 90mm (3 1/2") diameter x 118mm (4 2/3") high when used with base mount (as shown in the photo at the top of this page)
Mounting: Pole (standard 1" threaded mast) and base included
Cable: 10 metre (32.8 ft) RG58 with TNC that connects directly to WatchMate 850