Features:

* Build-in GPS personal locator

* GSM /SMS communication or GPRS TCP/UDP connection

* Support 4-frequency GSM 900/1800/1900 MHZ

* GPS SiRF-Star III chipset, fix the position excellently even at a weak signal areas.

* Very Low power consumption

* Fast Signal Acquisition

* Support single location and continuous tracking

* Support  location triggered  by tracker or by authorized cell phone

* Support alarm and remote monitor

* Support quick dialing buttons for 2 preset phone numbers

* Check location by SMS and Internet

* SOS button send out exact location for immediate rescue/action

* No monthly service charges to be paid to the call center

Specification:

- GSM/GPRS 900/1800/1900MHZ or GPRS TCP/UDP

- GPS chip: SIRF3, 20 Channels

- Sensitivity: -159dBm

- Precision: 10 meters, 2D RMS

- Acquisition time to first fix (TTFF):
   Hot: 1sec
   Warm: 38sec
   Cold: 42sec

- Altitude Limit: 18,000 meters max

- Velocity Limit: 515 meters/second max

- Recharge: DC 5V

- Li-battery (rechargeable/replaceable): 3.7V, 1,300mAh lithium-battery

- LED: 3 LEDs showing Power, GPS & GSM status

- Voice channel (DTMF) communication, SOS buttons for quick dial 3 pre-set phone numbers.

- Dimensions: 76 * 46 * 25 mm

- Weight: 85g

- Storage Temp.: -40°C to +85°C

- Operation Temp.: -20°C to +65°C

- Humidity: 5%--95% non-condensing