https://www.silabs.com/wireless/zigbee/efr32mg12-series-1-modules
EFR32MG12 Based Thread and Zigbee Modules (Series 1) - Silicon Labs
MGM12P Thread and Zigbee modules (Series 1) integrate the EFR32MG12 SoC into a small form factor module for Zigbee, Thread and Bluetooth LE networks.
zigbee modulesbasedthreadseriessilicon