M528 GPRS / GSM, GPS intelligent terminal (mobile users) built-in industrial grade GPRS / GSM communication module and the latest SiRF-Star III high sensitivity receiver GPS positioning module, GPRS and SMS, another mode of communication terminal stable operation, reliable, function, the interface can be applied to different areas of concrete, rental, logistics, public transport, bus, dangerous goods vehicles, rental cars, but also according to different industries, different user needs tailored. 

 Features: emergency alarm, electronic fences, mileage statistics, power off the oil, SMS alarms, remote monitoring, etc. 


 The main features of 
 Terminal shape of small size, waterproof, easy to install; 
 GPS positioning accuracy is high dynamic positioning deviation is less than 5 m; 
 Support GSM SMS and voice capabilities, UDP / TCP protocol in GPRS state communications; 
 4 Support for GPS data is uploaded regularly and named function; 
 Support silent function; 
 6 support the authorization of the remote monitoring function; 
 7 to support the working voltage acquisition and the high-and low-voltage protection; 
 Support 3-way, the detection of low-level signals; 
 Support the blind make up the transfer function; 
 10 supports remote car lock function; 
 11 to support the emergency alarm function; 
 12 support the power failure alarm function (built-in backup battery); 
 13 to support the high-pressure alarm and undervoltage alarm function; 
 14 support the speed alarm function; 
 15 support parking alarm function; 
 16 support the illegal door, illegal start alarm function; 
 17 support driver fatigue; 
 18 support the mileage statistical functions; 
 19 Alarm SMS notification function; 
 20 built-in 16MB Flash, can be saved 30000 blind trajectory data; 
 21 SMS to modify the IP, port number, the APN, the number of the machine parameters 
 22 support cell phone wap real-time check the car directly to the google map shows; 

 Detailed specifications 
 3.1, the hardware parameters 
 Operating voltage 8VDC ~ 36VDC 
 Operating current of 50mA ~ 160mA 
 GSM module contains frequency GSM 900/1800 
 Includes GSM 850/900/1800/1900Mhz (customizable) 
 Communication protocol UDP / TCP (customizable) 
 GPS module, the latest GPS SiRF-Star III chipset 
 GPS sensitivity-159dBm 
 GPS Frequency L1, 1575.42 MHz 
 C / A code 1.023 MHz chip rate. 
 Channel 20 channel view tracking 
 Position accuracy of 10 meters, 2D RMS 
 Velocity Accuracy 0.1 m / sec. 
 Time accuracy of GPS time synchronization 
 Default data WGS-84 
 Regained an average of 0.1 seconds 
 Hot start 1 sec average 
 Warm start 38 seconds on average 
 Cold start t an average of 42 seconds 
 Height limit of 18,000 meters (60,000 feet) max. 
 The speed limit is 515 km / sec (1000 knots) max. 
 Acceleration Limit Less than 4g 

 3.2, 
 Operating temperature -20 ° to 70 ° C 
 Storage temperature -30 ° to 85 ° C 
 Humidity 5% to 95% solidification 
 Terminal size 101 mm × 50mm × 24mm 
 Bare metal (standard) Weight 140 grams (440 g standard) 
 Built-in battery lasts not less than two hours 
 LED lights red: the host state; yellow: the communication module working status;