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Description:HI-204III-USB WATERPROOF Ultra High Sensitive USB GPS Receiver HI-204III-USB is a GPS receiver with USB interfaces and built-in active antenna for high sensitivity to tracking signal. HI-204III-USB is well suited to system integration and users who use any kinds LaptopPC. It satisfies a wide variety of applications for car navigation, personal navigation or touring devices, tracking and marine navigation purpose. Users can simply plug it into a LaptopPC running with suitable mapping and routing software for navigation. Standard Package: Before you start up, make sure that your package includes the following items. If any items are missing or damaged, contact your dealer immediately. HI-204III-USB GPS Receiver unit Suction CUP User Manual CD (including User Manual, HaiTest Testing Program) For notebook PC use: HI-204III-USB connect with a LaptopPC USB port. OVERVIEW: Fast Acquisition Enhanced Sensitivity 20 Channels All-In-View Tracking GPS Sensor Module. The receiver continuously tracks all satellites in view and provides accurate satellite positioning data. The HI-204III-USB is optimized for applications requiring good performance, low cost, and maximum flexibility; suitable for a wide range of OEM configurations including handhelds, sensors, asset tracking, PDA-centric personal navigation system, and vehicle navigation products. Satellite-based augmentation systems, such as WAAS and EGNOS, are supported to yield improved accuracy. FEATURES: 20 parallel channel GPS receiver 4000 simultaneous time-frequency search bins SBAS (WAAS, EGNOS) support -159dBm tracking sensitivity < 8 second hot start < 40 second cold start RECEIVER OPERATION Upon power up, after initial self-test has completed, the HI-204III-USB will begin satellite acquisition and tracking process. Under normal open-sky condition, position-fix can be achieved within approximately 35 seconds (within 10 seconds if valid ephemeris data is already collected from recent use). After receiver position has been calculated, valid position, velocity and time information are transmitted through the on board serial interface. As soon as GPS signal is acquired and tracked, the HI-204III-USB will transmit valid navigation information through its serial interface. The navigation data contains following information: Receiver position in latitude, longitude, and altitude Receiver velocity Time DOP error-magnification factor GPS signal tracking status Technical Specifications: Electrical Characteristics Items Description Chipset GSP3F SSiRF StarIII technology General Frequency L1, 1575.42 MHz C/A code 1.023 MHz chip rate Channels 20 Accuracy Position 10 meters, 2D RMS 5 meters 2D RMS, WAAS corrected <5meters(50%), DGPS corrected Velocity 0.1 meters/second Time 1 microsecond synchronized to GPS time Datum Default WGS-84 Other selectable for other Datum Acquisition Rate (Open Sky & Stationary Requirements) Reacquisition 0.1 sec., average Snap start 1 sec., average Hot start 8 sec., average Warm start 38 sec., average Cold start 42 sec., average Dynamic Conditions Altitude 18,000 meters (60,000 feet) max. Velocity 515 meters/second (1000 knots) max. Acceleration 4g, max. Jerk 20 meters/second3, max. Power Main power input 5V DC input. Power consumption 0.38 W (continuous mode) Supply Current 75mA Backup power 3 V Lithium-Ion rechargeable battery Dimension 43mm L x 42mm W x 13mm H Weight 23g LED INDICATOR LED flashing 0.25Hz Signal Searching LED flashing 1Hz Position Fixed