Main function:

* GPS Location function:tell you the position information by

SM.
* Security:You can use this feature to protect your precious

articles.
* Navigation: You can download navigation software into your PC

or PDA, by connecting to the GPS Tracker using an USB cable,

and then you can use it for navigating.
* Calling: can receiving the Call automatically.
* SOS: Call or send SM to it's preset phone number for SOS.
* Displaying location on map: by start the google earch

software, it can display the location.

Specification:

GSM module Build-in GSM 900/1800/1900Mhz
GPS sensitivity -159Db
GPS frequency L1, 1575.42 MHz
GPS Position Accuracy 5m－25m
GSM Position Accuracy 100m－500m
Velocity Accuracy 0.1 m/s
Time Accuracy Synchronized to GPS time
Default datum WGS-84
Hot start 1 sec., average
Warm start 38 sec., average
Altitude Limit 18,000 meters (60,000 feet) max.
Velocity Limit 515 meters/second (1000 knots) max.
Acceleration Limit  Less than 4g
Operating temperature -40°C － 85° C
Humidity 5% to 95% Non-condensing
Dimension 77 mm × 45 mm × 25 mm
Voltage Rechargeable and replaceable 850 mAh battery (3.7V),
5V for charging input.
Charging connector DC 5V (USB port)
work time Over 48 hours
LED:  3 LEDs showing Power, GPS and GSM status, And other

operation status.
KEY:  One SOS emergency key：Press over 3 seconds for calling

and 6 seconds for sending SMS.