... 4, Software easy to install 5, User friendly NameReal-time gps trackerFunction1,Positioning and Tracking2,Support GPRS and SMS3,Support GPRS ... -Parallel-channel , L1(1575.42MHZ) , C/A cord(1.032MHz chip rate)Tracking12 tracking channel at the same timeTime to fixReacquisition ... <15 mDimension104*58*38(mm)Net weight150 g Real-time GPS Tracker