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    General
    GPS technology: MT3329 GPS chipset
    Frequency: L1,1575.42 MHz
    C/A Code: 1.023 MHz chip rate
    Channels: 66 parallel searching,22 tracking channels
    Sensitivity: - 165 dBm (Tracking)
     
    Receiver Accuracy(Follow MTK chip specification)
    Position: Without aid:3.0 M 2D-RMS
     
            DGPS(WAAS, EGNOS, MSAS, RTCM):2.5 M
    Velocity: Without aid:0.1 M/sec
    Time: 0.1μs. Sync GPS time
     
    Datum
    Datum: WGS84(Default) total 219 datum’s
    Time to First Fix(Follow MTK chip specification)
    Hot start: < 1 sec.
    Warm start: < 33 sec.
    Cold start: < 35 sec.
    Reacquisition: 1sec.
     
    Protocol
    GPS Output Data: NMEA0183(V3.01)- GGA,GLL,GSA,GSV,RMC,VTG
    Support Baud rate 4800/9600/…./115200 bps (default
    4800), Data bit:8 , Stop bit:1, No parity.
     
     
    Update Rata: 1 Hz(default)
    Protocol Support: NMEA-0183
     
    1PPS: Enable(1Hz pulse 10% duty cycle)
     
     
     
    Limitations
    Acceleration Limit: 4G
    Altitude Limit: 18000 meters
    Velocity Limit: 515 M/sec
    Jerk Limit: 20 M/sec 3
     
    Power
    Operation Current: Acquisition42 mA@3.3V
    Operation Current: Tracking:36mA@3.3V
    DC Input Range: VCC_IN: 3.3~4.2V
     
                             V_BAT : 2.0~4.2V
     
    Processing Core
    Processor Type: ARM7EJ-S
    Processor Speeds: Up to 56 MHz
     
    Temperature
    Operating: -30 to +80
    Storage: -40 to 85
    Operating Humidity: 5% to 95,No condensing
     
    Physical
    Dimension: 13 * 15 * 2.2 mm.
    Weight:< 2g.
     
    InterfaceCMOS 2.8 V Level

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