... and the GPRS data can be sent to the tracking server when the GPRS is on. For auto tracking, no need to send the coordinates if the ... 50 meters. Longer standby time, For GPST01, the standby battery time is about 72 hours, for the new ARM7 solution, it can be ... . Applications: Vehicle for rental or manage of outside equipment, etc. //GPS tracker, Tracker Protect the elder, kid, employee and pet etc. // ...