RAK4631-8-WB-I

Overview

The RAK4631-8-WB-I is a WisBlock Core LPWAN module integrating the Nordic nRF52840 MCU with an SX1262 LoRa transceiver. It supports Bluetooth 5.0 and operates in the 868 MHz ISM band, compliant with EU regulations. The module features SPI interface connectivity for baseboard integration. Key electrical parameters include a supply voltage range of 1.8V to 3.6V, typical current consumption of 12mA during transmission at +20dBm, and standby current below 1µA. It supports LoRaWAN Class A, B, and C, enabling versatile IoT deployment scenarios.

Feature Summary

• Integrates Nordic nRF52840 ARM Cortex-M4F processor with BLE 5.0 capabilities
• Incorporates Semtech SX1262 LoRa transceiver for long-range communication
• Designed for modular WisBlock ecosystem compatibility via standard connectors

Applications

• Remote environmental monitoring stations
• Smart agriculture sensor nodes
• Industrial asset tracking systems
• Smart city infrastructure sensors

Procurement Notes

Verify that the specific suffix '-I' denotes industrial temperature grade specifications as defined by RAKwireless. Confirm regulatory compliance documentation for the 868 MHz frequency band matches target market requirements. Ensure baseboard selection supports the required SPI interface and power delivery for the integrated nRF52840 and SX1262 components.

Selection Notes

Select this module when both LoRaWAN connectivity and Bluetooth Low Energy are required in a single compact form factor. It is suitable for applications needing modular expansion capabilities within the WisBlock system. Consider alternative frequencies if operating outside European ISM bands or if higher output power than the SX1262 provides is necessary.

Part Context

This component belongs to the RAKwireless WisBlock series, designed for rapid prototyping and scalable IoT deployments. It serves as a core processing unit that interfaces with various WisBlock sensor modules. The module bridges low-power wide-area networking with short-range wireless control, offering flexibility for hybrid communication architectures in constrained environments.

Replacement Considerations

RAK4631-8-WB-A (American variant), RAK4631-8-WB-EU (European variant). Verify frequency band alignment and regulatory certifications before substitution. Ensure mechanical footprint compatibility with existing WisBlock baseboards.

FAQ

What is the maximum transmit power of the SX1262 in this module?

The SX1262 transceiver supports up to +22dBm output power.

Does the RAK4631 support LoRaWAN Class B and C?

Yes, the module firmware supports LoRaWAN Classes A, B, and C.