1. External Active Antenna for GPS
2. Allows more flexible antenna placement for better reception
3. Magnetic base and water resistent
Compatibility
GiSTEQ PhotoTrackr
Mio C310/710, C220, C520
Mio 168 / Navman PiN 100 / Skywalker GPS-500
Holux Bluetooth GPS GPSlim 236
Haicom CF GPS (HI-303MMF, 303E, 303S) / BT GPS
GlobalSat GPS 307, 337, 308, 318, DG-100
Solarius BT GPS
Magellan RoadMate 800-6000T
Magellan Maestro 4040, [...]

