CC2755R10 by Texas Instruments
The SimpleLink CC2755R and CC2755P family of devices are 2.4GHz wireless microcontrollers (MCUs), targeting Bluetooth Low Energy (6.x and the upcoming versions), Zigbee (3.0 and the upcoming versions), Thread (1.3 and the upcoming versions), Matter (1.2 and the upcoming versions) and Proprietary 2.4GHz applications.