SX1262-LoRa-DTU-LF / HF User Guide


  • This product is a wireless data transmission terminal based on the RS232, 
    RS485 and RS422 interfaces of the SX1262 module.
  • Using LoRa modulation and demodulation technology, it has the 
    characteristics of strong anti-interference and long-distance 
    communication, and the communication distance can reach 5KM.
  • Support point-to-point, point-to-multiple, relay networking, 
    AES encryption and other communication methods, small size, easy installation,
  • Standard or non-standard user protocol wireless 
    data transmission and device control for industrial control.
  • Using LoRa modulation and demodulation technology, 
    it has anti-interference and long-distance communication characteristics
  • Using the original SX1262 solution, with -148dBm receiving sensitivity and 22dBm transmitting power
  • Support preamble detection, with CRC, automatic subpacket, 960 byte cache function
  • Support LBT transmission, RSSI output, AT command set setting
  • Support AES encrypted communication to ensure the security of data transmission
  • Support multi-level relay networking to increase the wireless communication distance
  • Support host computer configuration and firmware upgrade, 
    and support custom firmware for large quantities
  • Use high-quality components such as TCXO to work stably under harsh conditions
  • Provide a complete supporting manual


  • Communication Interface
  • Interface type: Terminal block: RS485 × 1, RS422 × 1
  • ------DB9 Male: RS232 × 1
  • ------SMA-KE female socket: 6dBi omnidirectional antenna × 1
  • RS485: anti-surge, over-current protection (reserve 120R balance resistor header)
  • RS232: TVS tube protection, surge and anti-static protection
  • RS422: anti-surge, over-current protection (reserve 120R balance resistor header)
  • Wireless parameters
  • Frequency band: Sub-GHz (410~510MHz, 850~930MHz)
  • Signal modulation: LoRa
  • Encryption type: AES
  • Transmitting power: +22dBm Max
  • Receiving sensitivity: -148dBm
  • Serial parameters
  • Baud rate: 1200 ~ 115200bps
  • Parity bit: none, odd parity, even parity
  • Data bits: 8 ~ 9 bits
  • Flow control: no flow control
  • Environmental requirements
  • Operating temperature: 0 ~ 85°C
  • Humidity range: 5% ~ 95% relative humidity
  • Other
  • Power supply: terminal 6 ~ 28V or DC 12V, overcurrent and overvoltage anti-reverse connection protection
  • Case: aluminum alloy frosted Case
  • Dimensions: 77.0 × 24.0 × 64.2mm

   Applicable people

  • SX1262-LoRa-DTU-HF
  • HF version frequency is 850 ~ 930MHz
  • Applicable to Europe, America and Oceania

  • SX1262-LoRa-DTU-LF
  • LF version frequency is 410 ~ 510MHz
  • Applicable to Asia-Europe region

  • Please select the frequency version according to the local radio management regulations

Price: $29-35.89
Part Number: SX1262-LoRa-DTU-LF / HF
Brand: Spotpear
SKU: 0203051