... GSM module: SIMCOM 900DGPS module: HOLUX M-89Real Time Internet Based Vehicle Tracking Can record track without GSM ... GPRS/SMS communicationStandard tracking in real time through: unit PIN, location, speed, time, direction, alarm statusAutomatic time reports, or through commands. ... & GPS Antenna:Built-inGPS Channels:32Locate Accuracy:5~10mGPS Start Time (open sky):Hot Start : 1 sec, Cold Start : ...