STM32WB5MMG Wireless Module supports Bluetooth LE, Zigbee, OpenThread, and More

STM32WB5MMG Wireless Module supports Bluetooth LE, Zigbee, OpenThread, and More

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STMicroelectronics has introduced their first STM32-based wireless module designed to accelerate the market introduction of new Bluetooth® LE and 802.15.4 based IoT devices: the STM32WB5MMG.

The compact and ultra-low-power STM32WB5MMG is:

“a complete ready-to-use subsystem in a single package; the STM32WB5MMG assures excellent radio performance out of the box and comes as a certified solution according to Bluetooth, Zigbee, and OpenThread specifications.”

said the company’s Group Vice President, Microcontroller Division.

The STM32-based module aims to reduce design complexities like tuning the antenna and optimizing the RF, thus allowing quicker implementation into customer designs. It has a good receiver sensitivity and a high output power that guarantees a best-in-class RF performance, and also supports BLE 5.0, Zigbee 3.0, OpenThread, 802.15.4 proprietary protocols and even static and dynamic concurrent modes.

Features and Specifications of the STM32WB5MMG wireless module include:

  • Arm® Cortex®-M4 CPU with FPU and ART; up to 64 MHz speed
  • Arm® Cortex®-M0+ for radio and security tasks; up to 32MHz speed
  • 1 Mbyte Flash memory
  • 256 Kbyte SRAM
  • Supports 2 Mbits/s
  • Fully integrated BOM, including 32 MHz radio and 32 kHz RTC crystals
  • Integrated SMPS
  • Two layers PCB compatible, using external raw pins only.
  • Up to 68x GPIOs
  • 2x ULP Comparators
  • Integrated IPD for reliable antenna matching
  • Ultra-low-power modes for battery longevity
  • Two watchdog timers
  • Integrated chip antenna
  • Bluetooth® Low Energy 5.0, Zigbee® 3.0, OpenThread certified
  • Dynamic and static concurrent modes
  • IEEE 802.15.4-2011 MAC PHY
  • 1.8 V to 3.6 V VDD range
  • TX output power: Up to +6 dBm
  • RX sensitivity: -96 dBm (Bluetooth® Low Energy at 1 Mbps), -100 dBm (802.15.4)
  • Range: Up to 75 meters
  • Security features: Secure firmware installation (SFI) for radio stack, Customer key storage/key management services, PKA, AES 256-bit, TRNG, PCROP, CRC, 96-bit UID, possibility to derive 802.15.4 and Bluetooth® Low Energy 48-bit UEI
  • Dimensions: 7 mm x 11.3 mm
  • Temperature Range: -40 ºC to 85 ºC
  • Certifications: CE, FCC, IC, JRF, SRRC, RoHS, GOST, KC, NCC, REACH

The STM32WB5MMG is suitable for a number of applications like home automation, smart locks, wireless audio devices, and healthcare personal trackers. Its ultra-low-power feature means an “extended battery lifetime, small coin-cell batteries or energy harvesting.”

The wireless module is expected to be a solution to common cost and design complexities, so the company is also making plans for an STM32WB55MMG-DK board which will include an external memory, LCD, sensors, and more features that will help developers explore all the functionalities of the module.

Video

The STM32WB5MMG wireless module is currently selling at $5.66 for orders of 10,000.

More details are available on the official product page and the Blog.

About Emmanuel Odunlade
Email : emmaodunlade@gmail.com Website :

Hardware Design Engineer | #IoT Consultant |All things #ML | Entrepreneur | Serial Writer | Passionate about Innovation and technology as tools for solving problems in developing countries. Spare time is spent around writing and advocacy for the growth of the Maker/DIY Culture in Africa.

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