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RAK Products

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RAK7431 WisNode Bridge Serial

RAK7431 is an RS485 to LoRaWAN converter designed for industrial applications. The device relays ModBUS data using the LoRaWAN network as means of wirelessly transmitting to and from the end-devices.

RAK7431 WisNode Bridge Serial can operate in all of the LoRaWAN bands within the standard parameters defined by the LoRa Alliance. Its open environment range is 15+ km and in industrial cases, where there are heavy obstructions in the path of the RF signal performance is improved compared to conventional wireless systems due to the characteristics of LoRa as a modulation technique. This allows for consistently good signal quality within the confines of large factories, densely populated offices, storehouses, etc.

Regional Parameter Set : AS923/EU433/RU864/EU868/CN470/
KR920/US915/AU915/IN865

For other Regional Parameter Set, contact us.

Specification

 

 

Specification Details
LoRaWAN Protocol
  • LoRaWAN 1.0.3
LoRa Frequency
  • RU864, IN865, EU868, US915, AU915, KR920, KR923
  • Different models support different frequency bands
LoRaWAN Mode
  • Class A / Class B / Class C
LoRa Tx Power
  • 20 dBm
LoRaWAN Antenna interface
  • SMA MALE, External omnidirectional Antenna
RS485 Data Rate
  • Configurable 9600 -115200 bps
RS485 Carrying Capacity
  • 16 Nodes
RS485 Protection
  • 18 kV HBM protection
    13 kV IEC61000-4-2 contact discharge
    4 kV IEC61000-4-4 fast transient burst
Input Voltage
  • 8 V – 48 V
  • 5 V for Micro USB
Rated Power
  • Maximum 1 W
Output Voltage
  • 8 V – 48 V
Configuration Interface
  • Micro USB
Indicator LED
  • Power LED, Data LED
Housing Material
  • Metal
Dimension
  • 93.6 x 100.3 x 24mm
Protection Grade
  • IP31
Installation
  • Wall mounting, DIN rail installation, magnetic mounting
Working Temperature
  • -30° C ~ 65° C
Storage Temperature
  • -40° C ~ 85° C

 

Documents

Datasheet
RAK7431 WisNode Bridge Serial Datasheet Release Date: Oct 24, 2025
Getting Started Guide
IoTPortal - LoRaWAN Getting Started Guide Release Date: Oct 24, 2025
User Guide
Modbus Configuration Utility User Guide Release Date: Oct 23, 2025
Software
Modbus Configuration Utility Release Date: Oct 23, 2025
BRT Systems Pte Ltd
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