External GPS Module Built In High Gain LNA USB Interface for Win10/Win8/Win7/WinXP Item Type: External GPS ModuleSupport Operating System: for win10 for win8 for win7 for winXP (for CE, for Android system needs to develop its own driver, no additional support) UB-172 automatically adapts to the baud rate, supports data output at any baud rate Support for Earth Model: VK172 C / A code, 1.023MHz code stream Receiving Frequency Band: L1 (1575.42MHz) Tracking Channels: 56 Support DGPS (WAAS, EGNOS and MSAS) (Built-in button battery, LR44, 160mAh) Positioning Performance: 2D Plane: 5m(average) 2D Plane: 3.5m (average), with DGPS assistance. Drift: <0.02m / s Timing Accuracy: 1us Reference Coordinate System: WGS-84 Maximum Altitude: 18000 meters Maximum Speed: 500m / s Acceleration: <4g Electrical Performance: Tracking Sensitivity: -162dBm Capture Sensitivity: -160dBm Cold Start Time: 29s(average) Warm Start Time: 28s(average) Hot Start Time: 1s(average) Recapture Time: 0.1s(average) Operating Temperature: -30℃ to + 80℃