USB communication protocol support operating system: VistaXP, Windows10; Support: XP, win7, win8, win10 (support for all series win system drive); GPS G-703 receiver, is a complete satellite positioning receiver. in satellite receiving antenna, and using the advanced satellite receiving core, with a full range of functions, can meet the industrial level positioning of the strict requirements and the of personal needs. 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 and so on. the basic needs only (appropriate supply and the face of the ; For vehicle traveling GPS data record, positioning accuracy performance (reference satellite map track playback) :(1) professional network test GPS receiver, / / bus companyand so on all kinds of road test, necessary professional equipment.(2) for measuring. Geodetic survey, resource exploration, cadastral survey and so on.(3) areas, ships, vehicles, aircraft positioning and navigation, vehicle and personnel tracking, logistics, intelligent transportation and so on.(4) outdoor sports, travel .(5) electric , telecommunications, communications network timing. Application domain: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: Main chip: G7020; in TCXO device, to maintain good consistency in the temperature range of -40 to ~+85. Receiving frequency band: L1 GPS Colour: Black material:plastic 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 the ESD to achieve 8KV above [ discharge]. Receiving frequency band: E1B/C1 Default support for wide area differential GPS enhancement system S137,.[S129... Wan enhanced satellite Receiving channel: 56CH Positioning performance Less than 2.5m[Autonomous][50%] Less than 2.0m[SBAS] Rate: Less than 0.1m/s; direction: Less than 0.5Degrees Timing accuracy: 30ns Reference coordinate system: -84 Maximum altitude: 50000 M Max speed: 500m/s Acceleration: Less than 4G Electrical properties: Tracking sensitivity: -161dBm Capture sensitivity: -147dBm Cold time: 30s[average Warm time: 30s[average] The auxiliary ephemeris data of AGPS[network: Operating temperature: -40 C to C +85 C Interface electrical properties: Wide voltage range: the main supply is +3.3V~+5.5V, owned supply in 25 * 25 * 4mm passive ceramic antenna Other parameter Standard clock : 0.25Hz~10MHz Location rate: 1Hz~10Hz UART port interface [default] Data rate: 9600bps Package Contents: 1 * USB GPS Receiver Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.