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Harxon HX-DU1603D SE UHF Radio Modem


Smart and High Efficient Radio Modem for RTK Applications



The HX-DU1603D SE UHF radio modem from Harxon is an UHF external radio designed for easy mobile use in demanding field conditions for wireless data communication between 410 and 470MHz with channel spacing selectable to be in 12.5 or 25 kHz. This lightweight transceiver is equipped with an OLED display, menu operation enabled and low power consumption, interference detection, remote control, great receiving performance.

The HX-DU1603D SE is compatible with mainstream radio protocols on the market, including Trans EOT, TrimTalk450S, TrimMark3, SATEL, and other industrial manufacturer’s radio protocols.

The HX-DU1603D SE supports RS232 serial port and Bluetooth wireless technology for data transmission. It can be integrated into outdoor base station as external radio and provide convenience for surveyors.

The HX-DU1603D SE enables users to easily set up radio parameters or inquire radio status via local display. Users could set and switch serial port baud rate and channels without reaching a computer or other terminals.

This small, lightweight radio provides reliable operation with sophisticated features as compact single board structure, high/low power switching, serial port baud rate switching, air baud rate switching, starting-up status identification, interference detection and remote control.


  • Compatible with Mainstream Radio Protocols
  • Support Multi-mode Data Transmit
  • OLED Display for Radio Operation Configuration
  • Versatile Features with Reliable Performance

Technical Specifications

Frequency: 410MHz~470MHz
Channel Spacing: 12.5KHz/25KHz
Operation Mode: Half-duplex
Modulation Type: GMSK/4FSK
Channels: Up to 200 programmable channels (user selectable)
Operating Voltage: 9V~36V
Power Consumption (Typical): High power 7.5W@12V DC
Low Power 4.0W@12V DC

Standby 1.2W@12V DC
Frequency Stability: <±1ppm
Dimension: 147.6 mm (L) × 83 mm (W) × 31.5 mm (H)
Weight: 410 g (approximate)
Antenna Interface: TNC Female
Antenna Interface Impedance: 50ohm
Data Connector: LEMO 5pin
Data Rate: 9600bps/19200bps
Data Speed of Serial Interface: 9600, 19200, 38400, 115200bps
RF Output Power: 410~470MHz
High Power(2.0W) 33.5±1.0dBm@DC 12V
Low Power (0.5W) 27.5±1.0dBm@DC 12V
Power Stability: ±1dB
Adjacent Channel Power: >50dB@25KHz
Sensitivity: -115dBm@BER 10-5,9600bps
Co-channel Rejection: >-12dB


The Harxon HX-DU1603D SE UHF radio modem from Harxon is available through TerrisGPS. Please use the Request Pricing form to contact us for further information.

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Client Testimonials

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"Thank you for your prompt service. All seems to be working well again. Your techs were very helpful with the troubleshooting."
J.O. - Ground Navigation
"Thanks for all the troubleshooting help, also to John for his assistance and the prompt answers from you guys!"
F.A. - Survey Industry

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