SiWx917 Wi-Fi® 6 Plus BLE 5.4 Wireless SoC Silicon Labs SiWx917 Wi-Fi® 6 Plus BLE 5.4 Wireless SoC offers the lowest power in the family of Silabs Wi-Fi 6 devices. The SiWx917 is ideal for ultra-low power IoT wireless devices using Wi-Fi, BLUETOOTH®, Matter, and IP networking for secure cloud connectivity. The SoC is optimal for developing battery-operated devices that need extended battery life.