... ,GSM 3.GPS Tracker,GPS logger 4.Alarm by SMS ,voice call,video call 5.1ch external cam 3G alarm GPS tracker DVR,3G alarm GPS tracker, ... , car alarm system,1.Use USIM card, support WCDMA 3G network and GSM network.2.Use video ropes to connect CCD ... mmWeight 215gNetwork HSDPA,UMTS,EDGE,GSM/GPRSNet frequency channel EDGE/GPRS/GSM 850/900/1800/1900 MHzHSDPA/UMTS 850/1900/2100 MHzChip SIRF3 chip3G chip ...