This product adopts double modes to work which is with GPS global positioning system and GSM mobile phones machine station positioning system. You can simply search the position of the target through the computer or the mobile phone which installs GSM card. The products also can transfer automatically into GSM positioning system in the condition of out of GPS positioning system..With double position system, the products also support the work of four frequency channels which is universal used. They are 850MHz, 900 MHz, 1800 MHz and 1900 MHz. The products use integration design with the characteristics of small and exquisite profile, easy to hide, and convenient to carry that are widely used in the industry of personal tracking items. The products' safety orientation is in our hands with their low power consumption and high efficiency, without needing networking platform and monthly rent.
