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Harxon HX-DU1021D Embedded Radio Modem


Embedded Radio Modem for Wireless Data Communications



The HX-DU1021D embedded radio modem from Harxon is a high-performance, miniature transceiver providing reliable and stable wireless data communications for lawn mowers and IoT applications, with a frequency range between 868/915MHz ISM band. It features a small form factor, low power consumption, long range communication, excellent receiving performance and strong anti-interference capabilities.

The HX-DU1021D can adaptively conduct network communication and switch between the communication coverages of different radios to provide an optimal solution.

The HX-DU1021D embedded radio modem has intelligent interference avoidance functionality. It can automatically select the optimal working channel, thus improving the anti-interference performance of the radio modem.

The radio modem adopts advanced communication technology for superior receiving performance, which guarantees long range communication for mobile/remote data applications.


  • Adaptive Network Communication
  • Strong Anti-interference Performance
  • Long Range Communication

Technical Specifications

Frequency Range: 863-870MHz; 902-928MHz
Operating Mode: Half-duplex
Modulation Type: CSS
Channels: 50 (programmable)
Operating Voltage: 3.3-5.5V
Power Consumption (typical): High power 400mW@5V DC, Receiver 50mW@5V DC, Standby 5mW@5V DC
Dimension: 17.5 mm (L) x 14 mm (W) x 3.5 mm(H)
Weight: About 2g
Antenna Interface: IPEX
Impedance: 50ohm
Data Interface: 20Pin SMT
Air Baud Rate: 9600bps / 19200bps
Serial Port Baud: 9600bps / 19200bps / 38400bps / 115200bps
RF Output Power: High Power (100mW) 20±0.7dBm@DC3.3V, Low Power (50mW) 17±1dBm@DC3.3V, Micro Power(25mW) 14±1.2dBm@DC3.3V/td>
Sensitivity: -119dBm@BER 10-5,9600
Operating Temperature: -40°C to +70°C
Storage Temperature: -40°C to +85°C


The HX-DU1021D embedded radio modem from Harxon is available through TerrisGPS. Please use the Request Pricing form to contact us for further information.

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