Freescale Semiconductor has introduced the Kinetis KW41Z - claiming to be the industry's first multi-mode radio MCU to support concurrent operation of IEEE 802.15.4 Thread and Bluetooth Smart/BLE connectivity while hosting associated applications. An expansion of Freescale's Kinetis KW40Z family of wireless MCUs, the latest KW41Z MCU features extended memory up to 512K Flash and 128K RAM allowing multiple networking stacks to run on a single device and enabling true multiprotocol designs.