... ToolkitRS232 interface for GSM/GPRSRS232 interface for GPS(NMEA)RJ11 interface for phoneGSM antenna with 3-meter cable and magnetic ... 28mmWeight170gAccessories: AC/DC adaptor, 2 RS232 data cable, GSM antenna, GPS antenna, CDGSM/GPRS specifications:850/900/1800/1900MHzGPRS class 10GPRS mobile ... without SA/Velocity 0.1m/s, without SA/Time 1μs synchronized to GPS timeDGPS accuracy 1 to 5m, typical, 0. ...