Built-in industrial GPRS/GSM communication module and the newest SIRF-Star III High-sensitivity GPS receiver positioning module adopt GPRS and SMS Dual-mode communication, terminal run stably and reliably, full functions, multi-interface, the terminal can be applied to concrete, rental, logistics, public transport, bus and other fields, and also according to different industries, tailored to different users.

Characteristics
•	Small size, easy to install	•	Support authorized tapping function
•	Accurate GPS positioning, dynamic positioning deviation is less than 5 m	•	Support protection from high or low level voltage function
•	Support GSM voice and SMS functions, UDP / TCP protocol communications in GPRS mode	•	Support 5 levels of signal detection
•	Support the GPS data uploading at intervals and location	•	Support the data resend from signal dead zone function
•	Support the two way voice communication function	•	Support remotely locking vehicle function
•	Support Call Barring of group numbers function	•	Support watching vehicle function
•	Support two way SMS communication via Mobile and PC software	•	Support SOS alarm function
•	Support the mute function	•	Support the power-off alarm function

Features
•	GSM 850/900/1800/1900 Quad band
•	Wide for voltage input range: 9-36vDC
•	GPS continuous positioning, GPRS timing interval
•	Check location via SMS
•	Built-in vibration sensor, theft-proof
•	ACC ignition detection
•	Tele-cutoff (petrol/ electricity) function
•	Three SOS numbers in maximum
•	SOS alarm and burglar alarm
•	Voice monitor function
•	Alarm when the power supply is disconnected intentionally (with backup battery)
•	Compatible with external connection through (serial port)
•	Geo-fence via sms command