... Support GPS/GSM/GPRS, with 4 Temperature sensor, 4 Ad inputs, 4 Digitial inputs, 4 Digital Outputs, gps tracking system. CWT5016 gps tracking system ... inputs with embedded GPS and GSM/GPRS module to provide an all in one instrument for GPS tracking, data logging, ... logging interval starts from 1 minute up to 24 hours.GPS tracking + temperature monitor + data acquisition + GPRS transmission + sms ...