... gps tracker with SOS 2.Real time location report 3.Over speed alarm 4.Cut fuel/circuit 5.Data logger ... , Remote update DB-8SS gps tracker system is a small size ... and installation inside the vehicle, use U-Box GPS module and Philips GPRS module. 1. Functions: ... location report, over speed alarm, Cut fuel/circuit, Data logger, Remote update, Support TCP / UDP; GPRS/SMS. 2 ...