[Hardware] High sensitivity GPS: -159 dBm. Four-band German (850/900/1800/1900 MHz) GSM, SMS and GPRS. Track your vehicle all the time. Geo-fence for security and car management. Car position report at pre-set time intervals. Use your own PC, NB, or smartphone for tracking. Optional external voltage regulator to eliminate power overload. Good for both DIY tracking center and call-based tracking. [GooLocate] A multifunctional PC-based tracking software to set up a fleet management system in your office or home for tracking more than 1 ~ 500 vehicles.