GPS tracker is a personal remote positioning device with built-in GPS and GSM/GPRS technology in compact size. It can transmit the longitude and latitude coordinates to your cell phone by the SMS. By this, you can find its location on the Google maps? Or other map software. The tracker can also upload positioning data through GPRS to a designated server. The user can look for real-time location-tracking, historical trajectory through the Internet. These features are for protecting and searching children and elders. Furthermore, it can be used for other security purposes such as asset protection and animal tracking.

Main functions:
1. Real-time locating and tracking. Sent a SMS to the GPS tracker and it will return you the longitude, latitude coordinate and moving speed of the tracking target, then you can find out the location accurately through the free Google Map or other map software.
2. Geo-fence: It will send an alert to the authorized numbers when it breaches the restricted area that you set up before.
3. Two way talking communication: You can talk with the tracking target via the GPS tracker just like a cell phone and also can listen to the sound around the GPS tracker in 5meter secretly.
4. SOS button: Press the SOS button and the GPS tracker will send a help alert and exact location to the authorized numbers for immediate rescue
5. Overspeed alert: It will send an overspeed alert to the authorized numbers when the tracking target moves exceed of the restricted speed.
6. Support alarm and remote monitor
7. Support quick dialing buttons for 5 preset phone numbers
8. It can make the PC connect to the internet by GPRS, it equals to a wireless network card

Main features:
1. Built-in SIRF Star III Chipset, excellent for fixing the position even at a weak signal status.
2. Work well even in areas with limited sky view like urban canyons.
3. Built-in GSM/GPRS module, support 4-frequency GSM 850/900/1800/1900 MHz.
4. Working all over the world.
5. Support voice call.
6. Support SMS communication or GPRS TCP connection.
7. Get the position information via mobile phone SMS, or examine the path on the Internet.
8. The available SMS takes the control command change tracing function or switch GPS.
9. Support establishes three telephone numbers.
10. The major technological index of the device is in conformity with the international standard of GSM mobile phone.
11. Long battery life between charges
12. Portable, compact size, low power design.

Specification:
GSM
GSM/GPRS Module SIM300 Module
GSM 900MHz
GSM 1800MHz
GSM 1900MHz
GSM Antenna Built-in
GPS
Chip SiRF StarIII GSC3F/LP-7979
Frequency GPS L1 1575.42MHz, C/A-code
Channels 20
Data protocol NMEA0183 or Binary
Start Time(open sky) Cold Start: 40sec
Hot Start: 3sec
GPS Antenna Active Patch antenna
Accuracy 10~20m
Electrical
Operating Voltage 3.3V
Charge Voltage 5V
Operating 80mA
Talk 100mA
Battery Li-ion 900mAh
Others
Operating temperature: -20 centigrade to +50 centigrade
Speaker (Built-in) 32Ohm/0.5W