Product introduction:

1  Built-in SIRF StarIII Chipset, excellent for fixing the position even at a weak signal status. Work well even in areas with limited   sky view like urban canyons.
2 Built-in GSM/GPRS module,support 4-frequency GSM900/1800 MHz (850/1900 can opotion),working all over the world.                    
3 Excellent for fixing the position even at a weak signal status.
4 Work well even in areas with limited sky view like urban canyons.
5 Very Low power consumption
6 Fast Signal Acquisition
7 Support single location and continuous tracking                                                                                              

8 Call (default), two-way call
9 Auto-answer
10 Low cell alarm
11 Mode shifting
12 SOS Emergency Alarm
13 Server shifting
14 Automatic time calibration
15 Remote monitoring