GPS tracking system: 1.LIVE! Real-Time tracking! 2.Band: 850/1800/1900MHz quad band available ... limited sky view like urban canyons.Support single location and continuous tracking.Support location triggered by tracker.Support location triggered ... Mexico, Greenland (Denmark), Guatemala, Bermuda (UK), St. Pierre Island and Miquelon (France), Germany.)Network: GSM/GPRSGPS Chip: SIRF3 ChipGPS sensitivity ...