1. 环球APP





    1. Multi-mode and Multi-frequency Satellite Positioning Chip GK9501

      Product Features

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      1. Product parameters

        Function

        Support Beidou/GPS/GLONASS/GALILEO/QZSS/SBAS

        Multi-system joint positioning and single system independent positioning

        Support D-GNSS differential positioning, and A-GNSS auxiliary positioning

        Support ephemeris prediction, and DR integrated navigation application

        Support dynamic frequency adjustment with 32-bit application processor

        RTC

        Support 32.768 KHz ± 20 ppm crystal oscillator, 1.1V RTC clock output

        Output format

        Support NMEA 0183 V4.1 and previous versions with a maximum fixed update frequency of 10 Hz

        Clock input

        Support PPS with external 16.368 MHz TCXO

        Peripheral interfaces

        UART/SPI/GPIO/I2C

        Physical specification

        BGA package: size 4.3 mm X 4.3 mm, 57 pin, 0.5mm pitch

        LGA package: size 5.0 mm X 5.0 mm, 40 pin, 0.4 mm pitch






        1. Item

          Index

          Typical value

          Unit

          Positioning time

          Cold boot

          27.5

          s

          Warm boot

          <1

          s

          Recapture

          <1

          s

          A-GNSS

          <10

          s

          Tracking

          Cold boot

          -148

          dBm

          Warm boot

          -162

          dBm

          Recapture

          -164

          dBm

          Tracking

          -166

          dBm

          Accuracy

          Horizontal positioning accuracy

          2.5

          m

          Altitude positioning accuracy

          3.5

          m

          Speed accuracy

          0.1

          m/s

          Timing accuracy

          15

          ns

          Power consumption

          Capture current value @3.3v

          30

          mA

          Tracking current value @3.3v

          20

          mA

          *Parameters are for reference only


          Main Applications

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          ‚óèVehicle positioning and navigationequipment
          ‚óèWearable devices, such as children'swatches, wristbands, etc.
          ‚óèLogistics property tracking, such as pettracker, portable POS device, etc.
          ‚óèTime ser vice of communication basestation, rail transportation, electric power and other systems
          ‚óèUnmanned aerial vehicle/drone



          PrevÔºöMulti-mode and Multi-frequency Satellite Positioning Chip GK9701

          Headquarters address : No. 9, East 10th Road ( South ), Xingsha, Changsha, Hunan, China
          PostcodeÔºö410131