Powered by the ultra-low-power 48 MHz Arm® Cortex®-M0+ 32-bit core, the KW0x family of MCUs embeds a rich set of peripherals such as a high-performance, bi-directional sub-1 GHz radio
Kinetis W Series, KInetis KW0x Wireless MCUs - Fact Sheet
Powered by the ultra-low-power 48 MHz Arm® Cortex®-M0+ 32-bit core, the KW0x family of MCUs embeds a rich set of peripherals such as a high-performance, bi-directional sub-1 GHz radio