support 3G WCDMA and2G GSM:
WCMDA: 850/900/1900/2100MHz GSM: 850/900/1800/1900Mzh
1. Apply to conceal installation
2. Needs an external antenna to get better reception
3. Used for logistics vehicles, enterprises, institutions and law enforcement official vehicles while on duty
4. With built-in U-blox GPS module
5. Supports two frequency GSM 900/1800MHz (850/1900MHz is optional) , works all over the world
6. Supports SMS communication or GPRS TCP connection
7. Gets 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. Supports established three telephone numbers

10. SOS button sends out exact location for immediate rescue/ action
11. Major technological index of the device is in conformity with the international standard of GSM mobile phone
12. Portable and compact size
13. With low power design
14. Supports cut-off electricity, oil function and recovery command
15. Supports electronic geofence function
Product Description
TLT-7B (3G) GPS/ GSM is a car remote positioning and tracking device produced based on GPS technology and GSM/ GPRS technology
It receives the latitude and longitude of the users location through cell phone messages and then locates the tracker on Google map or other digital map software or positioning data is uploaded by the tracker to the specified server through GPRS and the user may search the real-time position and historical track of the tracker on the internet
Built-in high-performance GPS chipset enables the product to provide accurate positioning in the event of weak signal and to work normally in urban areas, valleys or other sight-limited districts
Built-in GSM/ GPRS model supports WCDMA850/1900/2100MHz, thus it can work throughout the world
It supports SMS communications or GPRS TCP connection, and receives position information through cell phone message or used to look into movement track on the internet
It provides such functions as SOS, fuel cutoff/ power failure, warning by cutting off external power wire, geofence, over speed warning, historical data upload, parking throttle upload and moving car tracking timing upload
It provides voice call function (connected with earphone)
It is equipped with highly reliable electric circuit and complies with electronic industry standards
Supports new interface standard of OBD II (optional)
At present this device could read out ten state data through OBD II interface
They are mileage statistics, fuel consumption, average fuel consumption, the engine temperature, the engine speed, the highest speed, the minimum speed, voltage, oil pressure and fuel-air rate