... targets by SMS or GPRS. Basic Operation: Insert SIM Card into GPS Tracker, use mobile phone to call this SIM number, ... supported. The GPRS data can be saved in SD card(not provided) when there is no GPRS connection and ... the businessmen. //GPS tracker, Tracker Manage the outworker. //GPS tracker, Tracker Covert Tracking//GPS tracker, Tracker //GPS tracker, GPS vehicle tracker, GPS car tracker, cargo ...