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By Rich Handley

STMicroelectronics, Jorjin Offer Sigfox IoT Modules With Dual RF Connectivity

STMicroelectronics, a semiconductor company, and Jorjin Technologies Inc., a Taiwan-based company that designs and supplies modules, have announced the certification of the dual-radio modules that combine Sigfox wireless-network technology with Bluetooth Low Energy (BLE). Jorjin's WS211x Sigfox/BLE modules contain ST's BlueNRG-1 BLE System-on-Chip (SoC) and S2-LP sub-1GHz RF transceiver. This enables the modules to provide high connectivity and a long battery lifetime, targeting coin-cell-operated or energy-harvesting IoT applications.

Fully programmable, Jorjin's new Sigfox modules exploit Arm's Cortex-M0 technology embedded in ST's BLE SoC to act as independent IoT connectivity nodes. The combination of BLE with Sigfox's low-power wide-area network (LPWAN) provides several benefits to IoT systems, such as over-the-air firmware updates.

"We are excited to achieve certification for our first Sigfox-compatible modules," said Tom Liang, Jorjin Technologies' chairman, in a prepared statement. "STMicroelectronics and Sigfox teams' support has been very helpful and we are looking forward to keeping expanding our collaboration with both partners."

"The successful certification marks a significant milestone in our cooperation with Jorjin, delivering high-performance, ultra-low-power dual-radio Sigfox modules," said Maria Rosa Borghi, ST's low-power RF BU senior director for analog, MEMS and sensors, in the prepared statement. "Designers now get a cutting-edge solution for building high-mobility products with versatile connectivity and low power budget across all IoT segments."

The evaluation board for the WS211x modules uses the Arduino interface to ease customer development, and is compatible with ST's Arduino shield boards featuring MEMS motion sensors, environmental sensors or time-of-flight (ToF) ranging sensors. An SDK is available from Jorjin, enabling customers to develop applications using WS211x modules with ST's sensor shield boards, as well as an AT command list facilitating customer testing of the modules' BLE and Sigfox functions.

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