... tracking,report location,time tracking,SOS,call facility,GSM/SMS/TCP/UDP data transfers,region alarm, excessive ... ,operation easy,rapid tracking speed,support TCP/UDP/GSM/SMS data transfers and etc.Correlative GroupwareGPS main ... ,certificateMain device technology parameterNameParameterRemarkDC input voltageDC 5 VCommunication modeGSM/GPRS/CDMAAverage power consume0.8WProduct Size76mm(L) ×44mm(W) ...