1.24 hours real-time sms/gprs tracking 2.Work worldwide (850/900/1800/ ... Anti-the GPS tracker GPS tracker GeneralBased on GSM/GPRS and GPS, the user can locate and monitor ... any remote targets by SMS or GPRS.//Gps,Tracker,Gps Tracker, Gps personal tracker Personal ... and longitude by SMS or GPRS, and check position on google earth.Support GPRS data transmission.Auto Report position ...