Espressif ESP32-S3 WiFi BLE Dual Core Module for LoRaWAN® with LoRa SX1262

Espressif ESP32-S3 WiFi BLE Dual Core Module for LoRaWAN® with LoRa SX1262

What is RAK3312 WisBlock Core Module for LoRaWAN?

RAK3312 WisBlock Core Module for LoRaWAN combines LoRa, WiFi, and Bluetooth communication into one single low power WisBlock Core module. The dual-core Espressif ESP32-S3 MCU powers the device, paired with Semtech SX1262 LoRa transceivers. The LoRaWAN stack is compliant with V1.0.2, with V1.0.4 support in progress. It controls the Semtech SX1262 LoRa transceiver over its SPI interface.

The ESP32-S3 firmware is based on the Espressif Arduino BSP for the ESP32. WiFi and Bluetooth functionality is provided by the Arduino BSP. The LoRa drivers and LoRaWAN V1.0.2 stack are available as an Arduino library.

RAK3312 comes without a default firmware. We provide code examples in our WisBlock Github repo.

Custom firmware for the module, combining the three connectivity options can be developed with Arduino IDE and the Espressif ESP32 BSP or directly using the Espressif ESP-IDF.

This module complies with Class A & C of LoRaWAN 1.0.2 specifications. An upgrade to LoRaWAN stack V1.0.4 is in development and will support Class A, B, & C.

Why You Need RAK3312 WisBlock Core Module for LoRaWAN

Integrating RAK3312 reduces hardware complexity and accelerates IoT development, ensuring systems can adapt to changing communication needs without redesigning core electronics.

Why it's useful:

• Design efficiency: Simplifies connectivity integration into IoT devices
• Adaptability: Supports multiple use cases across varied environments
• Scalability: Provides a foundation suitable for both prototypes and deployment

Key Features of RAK3312 WisBlock Core Module for LoRaWAN

• LoRa module for Smart City, Smart Agriculture, Smart Industry
• Compact Form Factor: 20 x 30 x 4.5 mm WisBlock Core Module
• I/O ports: UART/I2C/SPI/ADC/GPIO
• Temperature range: -40 °C to +85 °C
• Supply voltage: 2.0 ~ 3.6 V
• Frequency range:
  • 150 MHz to 960 MHz for LoRa
  • 2.4 GHz for WiFi and Bluetooth
• Low-Power Wireless Systems with 7.8 kHz to 500 kHz Bandwidth
• Ultra-Low Power Consumption in sleep mode
• Espressif ESP32-S3 with Xtensa® 32-bit LX7 dual-core microprocessor with 512kB SRAM, 8MB PSRAM and 16MB external Flash
• AT Command Support

What’s in the Box

• 1 pc RAK3312
• 1 pc PCB Antenna for LoRa (MHF-4 Connector)
• 1pc Antenna for Bluetooth Low Energy (MHF-4 Connector)