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The HX-DU8616D has enabled with intelligent serial baud rate identification for different RTK devices. It can automatically identify RTK serial baud rate with radio data cable and provide a plug and play form for easy connection between eRadio and RTK.


HX-DU8616D is a high power radio modem for transmitting RTK corrections from a basic GNSS receiver. The transmission power can be selectable by the user from 5W up to 35W reaching distances up to 50km. The radio has numerous settings that can define communication protocols, channel width and transmission frequency, thus full compatibility with other external radio modems or integrated in a GNSS receiver.



  • Processor
  • 454MHz industrial level processor

  • Memory capacity
  • 512M Byte DDR2 SDRAM

  • Saving capacity
  • 8G Byte NAND Flash

GNSS technical parameters

  • Mother board type
  • Trimble BD970

  • Tracking channel
  • 220 channels

    GPS: L1 C/A, L2E, L2C, L5

    GLONASS: L1 C/A, L1P, L2 C/A, L2P


    BDS: B1/B2


  • Positioning accuracy
  • Single point positioning: 2-3m

  • Static post-processing:
  • Horizontal: ±(2.5mm + 1ppm)

    Vertical: ±(5mm + 1ppm)

  • RTK:
  • Horizontal: ±(8mm+1ppm)

    Vertical: ±(15mm+1ppm)

Communication parameters

  • GSM/3G
  • GPRS(850/900/1800/1900MHz)


  • Bluetooth
  • 2.4GHz V2.0+EDR

  • U disc
  • Support U disc storage extension to 64GB, support hot plug

  • Built-in UHF
  • Adjustable 0.5W/2W

  • Indicator led
  • Power led, satellite led, communication led

  • Key
  • One power key, two function keys

  • Port
  • USB 2.0

    RS232 serial port, debugging port

    TNC UHF antenna port

  • Application function
  • Speaker for voice broadcast

Power supply

  • Battery
  • Dual power supply + assistant battery design (6800mAh×2+650 mAh), supports hot plug, changing battery without powering off

  • External power supply
  • Support 9-36V DC battery as power supply

    Support 220 AC as power supply

Hardware physical

  • Size
  • φ200mm×h105mm

  • Weight
  • 1.5kg (with battery)

Working circumstance

  • Working temperature
  • -45°C~+65°C

  • Storage temperature
  • -55°C~+85°C

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