USB communication protocol support operating system: VistaXP,CE Windows10; Support: XP, win7, win8, win10 (support for all series win system drive); GPS G-703 receiver, is a complete satellite positioning receiver. Built in satellite receiving antenna, and using the most advanced satellite receiving core, with a full range of functions, can meet the industrial level positioning of the strict requirements and the use 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 use and so on. Use the basic needs only (appropriate power supply and the face of the sky; For vehicle traveling GPS data record, excellent positioning accuracy performance (reference satellite map track playback)Use:(1) professional network test GPS receiver, telecom / Unicom / 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) 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.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; Built in TCXO device, to maintain good consistency in the temperature range of -40 to ~+85. Receiving frequency band: L1 GPSColour: Blackmaterial:plasticBuilt in a 20dB low noise amplifier and low loss filter, perfect support passive antenna.Receiving frequency band: L1OF GLONASSAntenna 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 GalileoDefault support for wide area differential GPS enhancement system S137,.[S129... Wan enhanced satelliteReceiving channel: 56CHPositioning performanceLess than 2.5m[Autonomous][50%]Less than 2.0m[SBAS]Rate: Less than 0.1m/s; direction: Less than 0.5DegreesTiming accuracy: 30nsReference coordinate system: WGS-84Maximum altitude: 50000 MMax speed: 500m/sAcceleration: Less than 4GElectrical properties:Tracking sensitivity: -161dBmCapture sensitivity: -147dBmCold start time: 30s[averageWarm start time: 30s[average]The auxiliary ephemeris data of AGPS[network: 3SOperating temperature:-40 C to C +85 CInterface electrical properties:Wide voltage range: the main power supply is +3.3V~+5.5V, self owned RTC power supplyBuilt in 25 * 25 * 4mm passive ceramic antennaOther parameterStandard clock pulse: 0.25Hz~10MHzLocation update rate: 1Hz~10HzUART port interface [default]Data rate: 9600bpsPackage Contents:1 * USB GPS ReceiverOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.