SIREN MARINE EXTERNAL GPS ANTENNA FOR SI

SIREN MARINE EXTERNAL GPS ANTENNA FOR SI External GPS Antenna for Siren 3 Pro Includes 10' Cable Optimize GPS tracking of your boat with the External GPS Antenna. When you remotely mount the External GPS Antenna, the Siren 3 Pro will override the use of the internal GPS antenna. *Compatible with the Siren 3 Pro ONLY. This item is sold by JMSOnline.net, providing quality marine products and excellent customer service to our valued federal clients.