SirenSat Offshore Antenna with 2M Power Cable**Requires SirenSat Offshore Subscription (sold separately)Using the Globalstar Network of Satellites, the SirenSat Offshore Antenna allows users to track their boat, even after it leaves cellular coverage. With Global coverage. boat owners who keep their boats in theft-prone areas, can now easily report the vessel location worldwide. Plus, Global Tracking satisfies most insurance requirement for boats with multiple outboard engines.Features: Satellite technology: Global LEO Satellite operation using the Globalstar Simplex Data Network Checks in every 15-30 minutes Includes 2M power harness to connect to 12V power supply Features geo-fencing capability Global coverage, non-dependent on cellular connection Works with MTC and Siren 3 Pro .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }