1 x USB GPS Receiver Free Shipping Ublox 7020 gps chip GPS Antenna G-Mousereplace globalsat BU-353S4 BU353S4 VK-162 GPS GN101 receiver, is a complete satellite positioning receiver with built in satellite receiving antenna, and using the most advanced satellite receiving core, with a full range of functions, it can easily meet  level positioning strict requirements .  Applicable scope from car navigation, car alarm, bus station, Car DVR, car video surveillance, car DVD navigation, DVR, car audio, vehicle monitoring, vehicle terminal, tracking, security system, personal positioning, various surveys to agricultural use and so on. Use the basic needs only (appropriate power supply and the face of the sky     Use: (1) professional network test GPS receiver, telecom / Unicom / bus company / ZTE / Huawei and so on all kinds of road test, necessary professional equipment. (2) for measuring. Geodetic survey, resource exploration, cadastral survey and so on. (3) traffic areas, ships, vehicles, aircraft positioning and navigation, vehicle and personnel tracking, logistics, intelligent transportation and so on. (4) outdoor sports, travel adventure. (5) electric power, telecommunications, communications network accurate timing. Support: XP, win7, win8, win10 (support for all series windows system drive) Windows  USB drivers Download: (Tip: please copy to Internet Explorer and download from Internet Explorer.) http://www.u-blox.com/sites/default/files/products/tools/UBX-GNSS-CDC-ACM-windows_Driver_%28UBX-drv-v1.2.0.8%29.exe.zip U-center8.25 USB GPS test software Windows Download:  http://www.u-blox.com/sites/default/files/ublox-GNSS_u-center_windows_v8.25.zip Application and Spec Notebook, on board computer, palm computer navigation Vehicle DVD navigation, vehicle DVR, on-board computer, vehicle mounted hard disk recorder Vehicle monitoring, video monitoring, bus automatic reporting station Timing correction, synchronization application. characteristic Built in TCXO device, to maintain good consistency in the temperature range of 40 to +85. Built in a 20dB low noise amplifier and low loss filter, perfect support passive antenna. Antenna side to build high-quality ESD protection [TVS tube, to ensure that the ESD to achieve 8KV above [air discharge]. Default support for wide area differential GPS enhancement system S137,.[S129... Wan enhanced satellite characteristic Main chip: G7020 U-BLOX Built in TCXO device, to maintain good consistency in the temperature range of -40 to ~+85. Receiving frequency band: L1 GPS Built in a 20dB low noise amplifier and low loss filter, perfect support passive antenna. Receiving frequency band: L1OF GLONASS Antenna side to build high-quality ESD protection [TVS tube, to ensure that the ESD to achieve 8KV above [air discharge]. Receiving frequency band: E1B/C1 Galileo Default support for wide area differential GPS enhancement system S137,.[S129... Wan enhanced satellite Receiving channel: 56CH Positioning performance <2.5m[Autonomous][50%] <2.0m[SBAS] Rate: < 0.1m/s; direction: <0.5Degrees Timing accuracy: 30ns Reference coordinate system: WGS-84 Maximum altitude: 50000 M Max speed: 500m/s Acceleration: < 4G Electrical properties: Tracking sensitivity: -161dBm Capture sensitivity: -147dBm Cold start time: 30s[average Warm start time: 30s[average] Hot start time: 1s[average] The auxiliary ephemeris data of AGPS[network: 3S Operating temperature: -40 C to C +85 C Package size: 45.5*38.0*14mm Interface electrical properties: Wide voltage range: the main power supply is +3.3V~+5.5V, self owned RTC power supply Built in 25*25*4mm passive ceramic antenna Other parameter Standard clock pulse: 0.25Hz~10MHz Location update rate: 1Hz Usb port interface [default] Data rate: 9600bps