Xtenzi External GPS Antenna Navigation for Jensen VM9312N VM9423 vm9214 NAV102 NAV101 VM9512 Xtenzi GPS High Gain External antenna / aerial For Jensen Navigation system Will work with most Jensen Navigation GPS models , Style SMA Male VM9244, VM9022HDN, VM9214, VM9212N, NAV101, NAV102, VM9512, VM9, VM9312N, VM9423 VM9214 VM9212N NAV101 , VM9424 , VM9324 , VM9414 , VM9224 , VM9314 100% compatible and low noise and high gain antenna. GPS antenna frequency: 1575.42MHz