• Mobile Radio

Mobile Radio

The HX-DU1603D is a lightweight, ruggedized UHF receiver designed for digital radio communications between 410 and 470 MHz in either 12.5 or 25 kHz channels, which can be widely used in GNSS/RTK surveying and GNSS precise positioning system.

HX-DU1603D is equipped with a Bluetooth transceiver for cable-free communications with external devices. Meanwhile, HX-DU1603D is equipped with a display screen, you can set the parameters by the button on the radio, which is easy to operate and use.


  • Bluetooth enabled: Cable-free communications with external devices such as GNSS receivers.
  • Equipped with a 1.9 inches Display Screen: Support the frequency, protocols, power display, serial port baud rate, air baud rate, etc. display and switchover.
  • 60MHz Bandwidth Coverage 410-470 MHz bands: Advanced data link design for high performance over entire band.
  • Internal Rechargeable Battery: Capacity as high as 6800mAh.
  • Configurable Transmit Power: Support for 0.5 w, 2 w power switching.
  • Software-Derived Channel Bandwidt: Compatible with both 12.5 and 25 kHz radios.
  • High environmental Capabilities: Waterproof to IP67
Data/Power1 RS-232 port ,5pin
Power Requirements
Internal6800 mAH Li-ion rechargeable battery
Input Voltage Range6-9VDC
During RX1.0Watts normal@7.5V DC
Frequency range410~470MHz
Operating modeHalf-duplex
Channel spacing25KHz, 12.5KHz
Modulation typeGMSK
Operation voltage7.5V
Power dissipation (Typical)High power level8.5W@7.5V DC
Low power level3.5W@ 7.5V DC
Frequency stability≤±1.0ppm
WeightAbout 560g
Temperature (operation)-30℃~+65℃
Temperature (storage)-40℃~+85℃
Antenna portTNC,female
Antenna impedance50ohm
Data interface5Pin
Charging Time8h
Continuous Working Period8h
Stand-by Time35h
RF output powerHigh level(2W)33±0.5dBm@D C 7.5V
Low level(0.5W)27±1dBm@DC7.5V
Power stability±1dB
Sensitivity-114dBm@BER 10-3,9600bps
Adjacent channel selectivity>50dB@25KHz
Air baud rate9600bps, 19200bps
Modulation typeGMSK
Serial port baud rate9600 bps, 19200 bps, 38400bps, 57600 bps, 115200 bps
Bluetooth Specification
Bluetooth Core2.0, 2.1
Bluetooth antennaInternal  Onboard Antenna
ProfilesSerial  Port Profile