... system. How it works?Main features,Tracking functions,- Dual Tracking location covered,Locate your vehicle through both GPS ... , device will automatic setup a cycle area as restricted area. when the car moves out, it will send SMS/ ... reminderTechnical Specification- GSM Working Frequency 850(Optional) /900 /1800 /1900MHz - GPS(SiRFstarIII chipset) , Frequency L1, 1575.42 MHz. - Minimum signal tracked, - ...