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    Bluetooth/Wi-Fi Modules Enter Mass Production

    June 18, 2025
    Mass production for STMicroelectronics' turnkey Bluetooth/Wi-Fi modules, developed with Qualcomm, is underway.
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    STMicroelectronics has begun mass production of its ST67W611M1 combined Wi-Fi 6 and Bluetooth Low Energy 5.4 module, the first product of ST’s collaboration with Qualcomm Technologies. Intended to simplify the implementation of wireless connectivity in systems using STM32 microcontrollers, the device leverages ST’s expertise in embedded design and the STM32 ecosystem of microcontrollers with Qualcomm Technologies’ wireless connectivity technologies.

    Bringing Wi-Fi and Bluetooth protocols and connectivity to devices and IoT applications, the modules help product developers focus their resources at the application level and accelerate time-to-market. The ST67W module can integrate with any STM32 MCU and offers a Qualcomm multiprotocol network coprocessor and 2.4-GHz radio.

    All RF front-end circuitry is built-in, including power/low-noise amplifiers, the RF switch, balun, and integrated PCB antenna, as well as 4 MB of flash for code and data storage plus a 40-MHz crystal. 

    The pre-certified module comes pre-loaded with Wi-Fi 6 and Bluetooth 5.4; Thread and Matter will be supported soon via software update. There's also an optional coaxial antenna or board-level connections for an external antenna.

    Security is handled with cryptographic accelerators and services with secure boot and secure debug at PSA Certified Level 1 to comply with the upcoming Cyber Resilience Act and RED directives. Provided in a highly integrated 32-lead LGA package, the module permits simple, low-cost PCB designs with as few as two layers.

    The ST67W611M1 also leverages the STM32 ecosystem, which contains over 4,000 commercial part numbers, STM32Cube tools and software, and enhancements that boost edge AI development.

    The wireless module is available now in a 32-pin LGA package. In addition, an X-NUCLEO-67W61M1 expansion board and a reference design, STDES-ST67W61BU-U5, is available to assist evaluation and development.

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    About the Author

    Alix Paultre | Editor-at-Large, Microwaves & RF

    Alix is Editor-at-Large for Microwaves & RF. 

    An Army veteran, Alix Paultre was a signals intelligence soldier on the East/West German border in the early ‘80s, and eventually wound up helping launch and run a publication on consumer electronics for the U.S. military stationed in Europe. Alix first began in this industry in 1998 at Electronic Products magazine, and since then has worked for a variety of publications, most recently as Editor-in-Chief of Power Systems Design.

    Alix currently lives in Wiesbaden, Germany.

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