WisDuo Dual-Core LoRaWAN + Wi-Fi + BLE multi-radio module

The RAK11160 is a low-power, dual-core module tailored for LoRaWAN applications. It integrates the STM32WLE5 LoRa controller with an ESP32-C2 chip, enabling both long-range wireless communication and WiFi/BLE connectivity. This hybrid architecture is ideal for IoT use cases that require energy-efficient operation alongside occasional high-bandwidth tasks such as MQTT data forwarding or over-the-air (OTA) updates.

The RAK11160 supports two flexible development modes:

• Standalone Mode: The STM32WL core runs independently using RAK’s RUI3 SDK, handling tasks like sensor data collection and LoRaWAN communication.

• Dual-Mode Operation: The STM32WL manages LoRaWAN duties while the ESP32-C2 remains in sleep mode. The ESP32 can be selectively activated for Wi-Fi, BLE, or MQTT operations, with custom firmware controlling the logic and data exchange between the cores.

Features:

• Dual MCU Architecture: STM32WLE5 (LoRa) + ESP32-C2 (WiFi/BLE)
• STM32WLE5 LoRa transceiver with TCXO for high frequency stability
• ESP32 LoRa Low Power: Deep power-off mode (~1 µA) when inactive
• MQTT/HTTP capability via ESP32 with cloud forwarding
• BLE/WiFi scanning for location services or setup
• Compact Form Factor: 15 mm x 23 mm x 3 mm, Stamp Pad SMT design
• Frequency range: 150 MHz to 960 MHz
• Flash/RAM: STM32WLE5 (256 KB Flash / 64 KB RAM), ESP32-C2 (2 MB Flash)
• Interface: UART, I2C, SPI, GPIO
• Development with RUI3 SDK for STM32 and ESP-IDF or Arduino for ESP32
• Ideal for: Low-power MQTT sensor nodes, location-aware trackers, OTA-enabled smart devices
• Supported LoRaWAN bands: EU868, US915, AU915, AS923, IN865, CN470, and more

Evaluation devices coming soon.