Remote Cellular & GPS Antenna - Threaded Mount DomeEnjoy the enhanced location and cellular connectivity reception for your Siren 3 Pro all with one combination antenna.The Remote GPS & Cell Antenna Threaded-Mount Dome will extend the GPS and cellular range capabilities of your Connected Boat® System strengthening the connection to your boat.Compatible With:Siren 3 ProTechnical Specifications:Cable Length - 9.8' (3m)*Sold as an Individual