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STMicroelectronics STM32WL Series of Long Range SubGHz Multi-Protocol Microcontrollers (MCUs)

Perfect for low power, long range IoT applications with SubGHz protocols such as Lora, Sigfox and proprietary

The STMicroelectronics STM32WL Series of Microcontrollers (MCUs) is the only fully-integrated System-on-Chip (SoC) featured to connect Low-Power Wide-Area Networks (LPWANs) devices using either LoRa or other SubGHz modulations.

STM32WL MCUs enable users to create Internet-of-Things (IoT) devices that are extremely compact, energy efficient, cost effective and reliable. The STM32WL series is the STM32 family’s pioneer in sub-GHz wireless connectivity, offering ease-of-use and reliability, while being perfectly tailored for a wide range of industrial and consumer applications.

The STM32WL series provides similar digital and analog peripherals for basic or complex application use cases requiring an extended battery life and a long RF range through its sub-GHz transceiver.

The STM32WL System-On-Chip integrates both a general purpose microcontroller and a sub-GHz radio on the same chip, which complements the STM32 RF connectivity portfolio. The series of MCUs is built on Arm® Cortex®‐M4 and Cortex®-M0+ cores (single- and dual-core architectures available), and supports multiple modulations– LoRa®, (G)FSK, (G)MSK, BPSK – to ensure flexibility in wireless applications with LoRaWAN®, Sigfox, W-MBUS or any other suitable protocol in a fully open way.


STM32WL is also highly differentiated with its security features, end-to-end ecosystem, a very large product offering (Flash size and packages) and its 10 years rolling manufacturing commitment unique on the market.

STMicroelectronics STM32WL Microcontroller


STM32WL MCU Features

System Peripherals

  • Wide range of communication features including up to 43 GPIOs
  • Integrated SMPS for power consumption optimization
  • Multiple low-power modes to maximize battery life
  • Dual-power output
  • Wide linear frequency range for compatibility worldwide


  • Embedded Security hardware functions such as:
    • 28- / 256-bit AES hardware encryption
    • PCROP read / write protection
    • Public-key accelerator with an elliptic curve cryptographic engine
  • Advanced security features such as:
    • Secure Key Management Services (SKMS)
    • Secure areas hardware isolation
    • Secure boot
    • Secure firmware update


STMicroelectronics STM32WL Series of Microcontrollers (MCUs)

Related Material


Development Environment

NUCLEO-WL55JCSTM32WL Nucleo-64 Board

A time-saving platform enabling you to immediately get started on the development of industrial and IoT applications based on STM32WL MCUs.

STMicroelectronics - NUCLEO-WL55JC