1, Multi-functional gps vehicle tracker 2, Through gps to tracker vehicle 3, GPS network 4, With gps location ... vehicle tracker1, Multi-functional gps vehicle tracker2, Through gps to tracker vehicle3, GPS network4, With gps location functionsMODEL: TK103I) Function ... and feature1. Bands (900Mhz/1800MHz 900-b, 850Mhz/1900Mhz 900-p) 2. Overspeed alarm 3. Listening in4. ...