Specification:GPRS TRACKER 1.Product weight:340g 2.Dimension :66 mm *46 mm *14 mm Specification:GPRS TRACKERHardwareGSM Chip850/900//1800/1900MhzGPS Sensibility-159DbGPS FrequencyL1, 1575.42 MHzPositioning precision5 meters, 2D RMSSpeed precision0.1 m/sTime for first startupAveragely 60sWarm startupAveragely 42sHeight limitationMax. 18,000 meters (60,000 feet)Speed limitationMax. 515 kilometers/ ...