GPS Tracking 104       * To operate with GPS/GSM/GPRS wireless network
* GPS chipset with high sensitivity                            
* Intelligent activation of GPS positioning
* To start working automatically after power on
* Built-in monitoring CPU, eliminating breakdown automatically
* wide voltage input range
* Commands and location information received by SMS
* Easy to install;
* Two power input approaches: car charger or car battery
 Features：
* GSM：900/1800MHz
* GPRS：Class2，TCP/IP built-in GSM Module
* GPS Module：SiRF Star III/LP
* GPS Channels：20
* Tracking sensitivity：- 159dBm
* Acquisition sensitivity：- 144dBm
* Power input：Car power supply：7 ～ 30vDC
* Dimensions：90.0( L) X 45.0 (W) X 12.0(H) mm
* Weight：45g