Vehicle GPS tracker,GPS tracker systerm GPS TK103
the model can be used for preventing theft of vehicles,track secretly.it can locate and monitor and remote targets by SMS or GPRS,special for vehicle using.
the gps track TK103 has such main specification as follows.

Features:
Network:GSM/GPRS/GPS
Band:850/900/1800/1900Mhz
with the battery and antenna inside for easy to carry on;
work on real-time tracking: to track the position by the lantitude,longtitude on some digital maps;
Auto-tracking:set up an intelval and the times;
Adding/cancelling the authorrized numbers;
Electnic lock: it will send SMS to the authorized numbers if the object puts the tracker off;
Protect from theft of car:cut off the oil and the power from far-away place;

the GPS tracker has such application:
Fiannace and insurance industry initiative postioning anti-theft system
Large and medium-sized construction vehicle devices
Logistics cargo tracking
Intelligent Vehicle bank credit management and monitoring system
Car rental companies,outdoor equipment, the special anyi-theft system
Command vehicles in various trades,scheduling systems
Priate bus

Basic functions:
Localization and tracking
SMS get the Geo-info
Triggering Emergencey alarm
Remote monitoring
ACC checking
Geo-fence,mileage statistics
Movement alert,overspeed alert

Characteristics:
Setup:use the mobile phone to operate the traker
Automatic monitoring terminals in five meters(depending on customer demand,can set up two mobile phone monitoring)
Localization mode:platform/mobile phone localization
Techology parameters:
GPS chip:SIRF3 chip
GSM/GPRS modle:SIMCOM300 or 340  Siemens MC55 or Siemens MC56
GPS sensitivity:-159dBm
GPS accuracy:3m
Time To First Fix:Reacquisition  0.1s
                  Cold status  45s
                  Warm status  35s
                  Hot status  1s
Car charger:input 12-24V,output 5V
Wall charger:input 110-220V,output 5V
Battery:Chargeable changeable 3.7V 800mAh Li-ion battery
Standby:60hours
Storage Temp.:-40°C to +85°C
Operation Temp.:-20°C to +55°C
Humidity:5%--95% non-condensing

Packing fetures:
Accesories:1x use anual,1x gift box,1x disk.1x GSM antenna,1x GPS antenna, 1x SOS alarm-wire,1x relay,1x slot,1x microphone
Product dimention:85x63x25 mm
Net weight:50 g