Sell 3G GPS Tracker TLT-7B adaptation 2G/3G network applications

 Product characteristics 
1. 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. 

2. Built-in GSM / GPRS model supports GSM 850/900/1800/1900MHz, WCDMA 850/900/1900/2100MHz, thus it can work throughout the world. 

3. 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. 

4. It provides such functions as SOS, fuel cutoff / power failure, warning by cutting off external power wire, geo-fence, overspeed warning, historical data upload, parking throttle upload and moving car tracking timing upload. 

5. It provides voice call function (connected with earphone) 

6. It is equipped with highly reliable electric circuit and complies with electronic industry standards. 

7. Support new interface standard of OBD II of cars. 

8. At present this device could read out ten state datas 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. (The data parameters will be different due to the different types of cars, the specific parameters subject to actual ones)