... circuit & waterproof 3.By GSM, GP New developed real-time mini gps chip tracker OEM/ODM 1.Tracking, locating & ... .By GSM, GPRS and SMS gps gsm tracker Specification: GPS Module: SiRF III 32 CHANNELSensitivity: -157dBmAccuracy: < 5mGSM: 850MHZ / 900MHZ / 1800MHZ ... : GSM/SMS/GPRS* Provide GPSstatus, Coordinate, Speed, Date and Time, alert type in one SMS message* Supportwarning when coming over ...