Overview
The NUCLEO-WL55JC1 is the definitive platform for developing Sub-GHz wireless applications. Based on the STM32WL55JC microcontroller, it is a dual-core powerhouse (Cortex-M4 and Cortex-M0+) that integrates a radio power amplifier and high-efficiency regulators. This board allows you to build and test ultra-low-power devices for LoRaWAN, Sigfox, and W-MBUS protocols without needing a separate RF module. As an “On Demand” product, we source the latest revision directly for your high-stakes industrial or academic projects.
Key Features
World’s First LoRa SoC: Integration of MCU and Radio on one chip reduces power consumption and PCB footprint.
Dual-Core Architecture: An Arm® Cortex®-M4 for your application and a Cortex®-M0+ dedicated to security and radio stack management.
Multi-Protocol Wireless: Full support for LoRa®, (G)FSK, (G)MSK, and BPSK modulations.
Nucleo-64 Form Factor: Features Arduino™ Uno V3 connectivity support and ST morpho headers for easy expansion with existing shields.
Integrated Debugger: On-board ST-LINK/V3E debugger/programmer—no external tools required to get started.
Technical Specifications
| Feature | Specification |
| Microcontroller | STM32WL55JC (Dual-core 32-bit Arm Cortex) |
| Flash / RAM | 256 KB Flash / 64 KB SRAM |
| RF Frequency Range | 150 MHz to 960 MHz (High-band & Low-band support) |
| Max Output Power | Up to +22 dBm (High power) / +15 dBm (Low power) |
| Connectivity | USB VBUS, Arduino Uno V3, ST Morpho |
| Power Supply | USB (5V), External VIN (7V-12V), or E5V |
| Security | Hardware encryption (AES, PKA), True RNG |
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