... 3.UDP / TCP protocol 4.SOS alarm S208 GPS Intelligent Terminal gps vehicle tracking system FeatureAccurate GPS positioning,dynamic ... limit515 kilometer/second (1000 knots)maxAcceleration limitLess than 4gS208 GPS Intelligent Terminal gps vehicle tracking system Trade terms:1. MOQ: ... of GPS tracking system,gps navigation,gps data logger, car dvr ,gps dvr etc. to Europe, America, East Asia, the Mid ...