Brife Introduction GST201X is GPRS/GSM Model GPS intelligent terminal (Mobile user terminals) Built-industrial level GPRS/GSM communication module and the newest SIRF-Star III High-sensitivity GPS receiver module positioning, adopts GPRS and SMS Dual-mode communication, terminal run stable and reliable, Function-wide, multi-interface, the terminal can be applied to concrete, rental, logistics, public transport, bus and other fields, but also according to different industries, tailored to different users. Main Features 1, Terminal dimensions small, waterproof, easy installation; 2, GPS positioning accuracy, dynamic positioning deviation is less than 5 meters; 3, Support for GSM SMS and voice function under, GPRS state of UCP/TCP protocol communications; 4, Support for GPS Data uploaded regularly and named functions; 5, Support for silent features; 6, Remote monitoring capabilities to support authorized; 7, Support the acquisition and high voltage, low voltage protection; 8, Support 3-way high-, low level signal detection; 9, Support blind transfer function up; 10, Car remote lock function; 11, Support the emergency alarm; 12, Support power-off alarm function (built-in backup battery); 13, Support for high-pressure alarm and under voltage alarm; 14, Support speed alarm function; 15, Support the parking alarm; 16, Support the illegal open,illegal start alarm; 17, Support the fatigue driving function; 18, Statistical functions to support mileage; 19, SMS alarm notification; 20, Built-in 16MB Flash, can save 30 thousand blind track data. Specifications: 3.1, Hardware Datasheet: Work voltage: 8VDC~36VDC Work current: 50mA~160mA GSM module: Simcom300/340 inside contain frequency GSM 900/1800 inside contain frequency GSM 850/900/1800/1900Mhz (can be customized) Communication protocol: UDP/TCP(can be customized) GPS module: GPS JRC 595 GPS sensitivity: -159dBm GPS frequency: L1, 1575.42 MHz C/A coding: 1.023 MHz chip rate Channels: 20 channels examine track Position accuracy: 10 meter, 2D RMS Speed accuracy: 0.1 meter/second Time accuracy: GPS time synchronization Default data: WGS-84 Recover: Average 0.1 second Hot start : Average 1 second Warm boot: Average 38 second Cold boot: Average 42 second Height limit: 18,000 meter (60,000 feet) max Speed limit: 515 kilometer/second (1000 knots)max Acceleration limit: Less than 4g 3.2, Others: Work temperature: -20~70C Storage temperature: -30~85C Humidity: 5% ~95% noncondensing Terminal size: 101 mm, 50mm, 24mm Inside battery: Continuous working no less than 4 hours LED light: Red: device state; Yellow: GSM module state; Green: GPS module state Standard Accessories: Host unit, Power Wires, GPS Antenna, GPRS Antenna, Magic Tape, Warranty Card, Relay, Warranty card receipt, Certification. Terminal size: 101 mm, 50mm, 24mm.