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Based on existing GSM/GPRS network (Tri-band: 900/1800/1900MHz or Quad-band: 850/900/1800/1900) and GPS satellite, you can locate and monitor any remote targets by SMS or GPRS. 

Features: 

You can get target's position with latitude and longitude by SMS or GPRS, and check position on google earth maps on mobile phone directly.  

Support non-server Real-time tracking & Auto-Tracking with low working cost 
  
Support mode switch between "track" (for real-time position tracking) and "surveillance" (for covert audio surveillance and monitoring what happens around) 
  
Support Geo-Fencing Alert: Preset a geo-fence for the unit to restrict its movements within a district. The unit will send alert to the authorized numbers by SMS when it breaches the district. 

Support movement alert: It will send an alert of movement to the authorized number by SMS when it begins to move. 

Support overspeed alert: It will send an overspeed alert to the authorized number by SMS when the target moves exceeding of the restricted speed. 

Support SOS Alert: Once any emergency happens, press the SOS panic button for 3 seconds, It will send SOS alert to all authorized number to ask for help. 

Support low battery alert: It will send a low battery alert to the authorized number by SMS if the battery power is low. 

Specification: 

Dimension: 51mm x 46mm x 17mm 

Weight: 40g 

Network: GSM/GPRS 

Band: 850/900/1800/1900Mhz or 900/1800/1900Mhz 

GPS chip: SIRF3 chip 

GSM/GPRS module: Simcom300(Tri-band) / Simcom340(Quad-band) 

GPS sensitivity: -159dBm 

GPS accuracy: 5m 

Time To First Fix: Cold status 45s; Warm status 35s; Hot status 1s 

Car charger: 12—24V input; 5V output 

Wall charger: 110－220V input; 5V output 

Battery: Chargeable & replaceable 3.7V 850mAh Li-ion battery 

Standby: 48hours 

Storage Temp.: -40°C to +85°C 

Operation Temp.: -20°C to +55°C  

Applications: 

* Rental vehicle / Fleet management and monitoring etc 

* Protect and monitor the child / the old / the disabled / pet etc 

* Protect and monior the businessmen 

* Personnel management 

* Covert audio surveillance and Tracking