... internet surfing and phone call, CE, FCC, RoHS GPS Car Navigator with GPRS : enjoy receiving / sending messages, making ... of channels66 channels (orientation searching) / 22 channels (tracking)Tracking sensitivity-165dBmPosition accuracy10m, 2D RMS 5m, 2D RMS ... and lati tude GM06S- IIFrequency RangeDual-band GSM/GPRS EGSM900/GSM1800MHZReceiving sensitivity<-106dbmMax transmitting powerEGSM900 Class ...