RAKwireless WisBlock LPWAN Module RAK4631 LoRaWAN IN865
RAKwireless WisBlock LPWAN Module RAK4631 LoRaWAN IN865 - Image 2
SKU: IOWC-1201
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RAKwireless WisBlock LPWAN Module RAK4631 LoRaWAN IN865

₹2,999.00 (Inclusive of all taxes)
Out of Stock

The RAK4631 WisBlock LPWAN Module is an Arduino-compatible LoRaWAN node built on the STM32WLE5JC SoC, supporting the IN865 frequency band for long-range, low-power IoT deployments in India.

Features

  • LoRaWAN 1.0.3 Module for IN865 Band (865-867 MHz) enabling long-range communication for IoT networks in India.
  • Powered by STM32WLE5JC Arm Cortex-M4 MCU with 256KB Flash and 64KB RAM for embedded application logic.
  • Arduino IDE compatible for rapid prototyping using the extensive WisBlock ecosystem and libraries.
  • Ultra-low power design ideal for battery-operated remote sensors and telemetry devices.
  • WisBlock modular form factor for easy integration with sensor and interface base boards.

Out of stock

Description

The RAK4631 is a core WisBlock LPWAN module integrating Semtech’s LoRa transceiver with an STMicroelectronics STM32WLE5JC microcontroller. This combination provides a complete, certified LoRaWAN end-device solution, handling both the RF communication and application processing on a single chip. The module operates on the IN865 frequency plan, making it compliant for use in India.

Engineered for extreme power efficiency, the module supports multiple low-power sleep modes, enabling years of operation from a primary cell battery in periodic reporting scenarios. Its design leverages the WisBlock connector system, allowing it to be snapped onto a wide variety of base boards (RAK5005) for quick sensor integration and field deployment without complex RF layout design.

Key Features

  • Integrated LoRaWAN stack-ready module for rapid India-region IoT deployment.
  • Combined MCU and RF core reduces BOM count and simplifies PCB design.
  • Supports over-the-air activation (OTAA) and personalization (ABP) for network joining.
  • Rich peripheral set (I2C, SPI, UART, ADC) available via WisBlock pins for sensor connectivity.
  • Secure element support for cryptographic operations and key storage.
  • Compact, shielded design ensures stable RF performance and reduces EMI.

Applications

  • Smart agriculture for soil moisture, weather, and crop monitoring across large farms.
  • Urban and environmental IoT for air quality, noise pollution, and waste management sensing.
  • Industrial telemetry and remote asset condition monitoring (IIoT).
  • Utility metering for water, gas, and electricity in smart city infrastructure.
  • Long-range asset tracking and logistics management.

Technical Specifications

Microcontroller/SoCSTM32WLE5JC (Arm Cortex-M4)
Wireless ProtocolsLoRa, LoRaWAN 1.0.3
Frequency RangeIN865 Band (865-867 MHz)
RF Transmit PowerUp to +22 dBm (Typical)
Supply Voltage2.0V - 3.6V
Operating CurrentActive mode: ~4.6 mA, TX (20dBm): ~120 mA
InterfacesGPIO, I2C, SPI, UART, ADC via WisBlock connector
Antenna ConnectorIntegrated PCB antenna or U.FL connector option
Operating Temperature-40°C to +85°C
DimensionsApprox. 25 x 35 mm (WisBlock standard)

Frequently Asked Questions

How do I program the RAK4631 module for my LoRaWAN application?

You can program the RAK4631 using the Arduino IDE with the RAKwireless Arduino Core for STM32. Install the board support via the Board Manager, select 'RAK4631 WisBlock' as your target, and utilize the provided LoRaWAN and sensor example libraries to develop your firmware for OTAA or ABP network joining and data transmission.

What is the IN865 frequency band, and where can I use this module?

The IN865 band (865-867 MHz) is the license-free LoRaWAN frequency allocation designated for India. This makes the RAK4631 module compliant for deployment across India on both public LoRaWAN networks like The Things Network (TTN) and private industrial IoT installations, ensuring legal operation and optimal regional RF performance.

What is the typical power consumption and battery life for a sensor node using the RAK4631?

Power consumption is highly application-dependent. In deep sleep mode, current can be below 2 µA. During a 20 dBm LoRa transmission, it peaks around 120 mA for a short duration. For a typical sensor node reporting every 10 minutes, a 5000 mAh battery can last several years. Precise life requires calculating active, TX, RX, and sleep durations based on your data rate and spreading factor.

Does the RAK4631 have an onboard antenna, or do I need an external one?

The RAK4631 module typically comes with an integrated PCB trace antenna designed for the IN865 band, providing adequate range for many applications. For maximum range or specific mounting scenarios, a variant with a U.FL connector may be available to connect an external 868MHz antenna, which requires proper 50-ohm impedance matching for optimal performance.

Package Includes

  • 1 x RAKwireless WisBlock LPWAN Module RAK4631 (IN865)

Additional Information

Weight 0.007 kg
Dimensions 12 × 8 × 1 cm

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