STM32WL3x Low-Power Sub-GHz Wireless MCUs

STMicroelectronics STM32WL3x Low-Power Sub-GHz Wireless MCUs are designed to provide efficient long-range communication for IoT applications. Built on the Arm® Cortex®-M0+ core, these microcontrollers operate at up to 64MHz and integrate a sub-GHz dual radio, offering high flexibility and reduced bill of materials (BoM) costs. With up to 256K-bytes of flash memory and 32K-bytes of SRAM, the STM32WL3x line supports multiple modulation schemes, including 4-(G)FSK, (G)MSK, DBPSK, DSSS, OOK, and ASK. The main radio provides long-range connectivity with an RX sensitivity of up to -132dBm and a programmable TX power of up to +20dBm. Additionally, the dedicated wake-up radio ensures ultra-low power consumption, achieving down to 4.2μA in always-on mode. These features make the STM32WL3x MCUs ideal for applications such as smart homes, city infrastructure management, asset tracking, and various IoT devices.

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STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64 Kb Flash 16 Kb SRAM
Datasheet
3,062In Stock
Min.: 1
Mult.: 1

ARM Cortex M0+ 32 bit 128 KB 64 MHz 12 bit 1.7 V 3.6 V SMD/SMT Tray
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64 Kb Flash 16 Kb SRAM
Datasheet
3,077In Stock
Min.: 1
Mult.: 1

ARM Cortex M0+ 32 bit 128 KB 64 MHz 12 bit 1.7 V 3.6 V SMD/SMT Tray
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64Kbytes Flash 16KbyteSRAM
Datasheet
2,578In Stock
Min.: 1
Mult.: 1

ARM Cortex M0+ 32 bit 128 KB 64 MHz 12 bit 1.7 V 3.6 V SMD/SMT Tray

STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ a.64 MHz 256 Kb Flash 32 Kb SRAM
Datasheet
101In Stock
Min.: 1
Mult.: 1

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 256 kB 32 kB 64 MHz 12 bit 1.7 V 3.6 V + 85 C VQFN-48 SMD/SMT Tray
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 64 Kb Flash 16 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1
Mult.: 1

ARM Cortex M0+ 32 bit 128 KB 64 MHz 12 bit 1.7 V 3.6 V SMD/SMT Tray
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 64 Kb Flash 16 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 2,940
Mult.: 2,940

ARM Cortex M0+ 32 bit 128 KB 64 MHz 12 bit 1.7 V 3.6 V SMD/SMT Tray
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 64 Kb Flash 16 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 2,940
Mult.: 2,940

ARM Cortex M0+ 32 bit 128 KB 64 MHz 12 bit 1.7 V 3.6 V SMD/SMT Tray
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 64 Kb Flash 16 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 64 kB 16 kB 64 MHz 12 bit 1.7 V 3.6 V + 85 C VQFN-48 SMD/SMT Reel
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 64 Kb Flash 16 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 64 kB 16 kB 12 bit 1.7 V 3.6 V + 105 C VQFN-48 SMD/SMT Reel
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 128 Kb Flash 32 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 128 kB 32 kB 64 MHz 12 bit 1.7 V 3.6 V + 85 C VQFN-48 SMD/SMT Reel
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 128 Kb Flash 32 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 128 kB 32 kB 12 bit 1.7 V 3.6 V + 105 C VQFN-48 SMD/SMT Reel
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ a.64 MHz 256 Kb Flash 32 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 256 kB 32 kB 64 MHz 12 bit 1.7 V 3.6 V + 85 C VQFN-48 SMD/SMT Reel
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 256 kB 32 kB 64 MHz 12 bit 1.7 V 3.6 V + 85 C VQFN-48 SMD/SMT Reel
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 2,940
Mult.: 2,940

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 256 kB 32 kB 12 bit 1.7 V 3.6 V + 105 C VQFN-48 SMD/SMT Tray
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 256 kB 32 kB 12 bit 1.7 V 3.6 V + 105 C VQFN-48 SMD/SMT Reel
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 256 kB 32 kB 12 bit 1.7 V 3.6 V + 105 C VQFN-48 SMD/SMT Reel
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64K Flash 16K SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 256 kB 32 kB 64 MHz 12 bit 1.7 V 3.6 V + 85 C VQFN-32 SMD/SMT Reel
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64K Flash 16K SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 256 kB 32 kB 12 bit 1.7 V 3.6 V + 105 C VQFN-32 SMD/SMT Reel
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 128 Kb Flash 32 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 256 kB 32 kB 64 MHz 12 bit 1.7 V 3.6 V + 85 C VQFN-32 SMD/SMT Reel
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 128 Kb Flash 32 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 256 kB 32 kB 12 bit 1.7 V 3.6 V + 105 C VQFN-32 SMD/SMT Reel
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 256 kB 32 kB 64 MHz 12 bit 1.7 V 3.6 V + 85 C VQFN-32 SMD/SMT Reel
STMicroelectronics RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

ARM Cortex M0+ 413 MHz to 479 MHz, 826 MHz to 958 MHz 32 bit 256 kB 32 kB 12 bit 1.7 V 3.6 V + 105 C VQFN-32 SMD/SMT Reel