EFR32 dev firmware, use on own risk !!!
Using the IKEA ICC-A-1 module.
Usinng the Silabs MG21 module.
Using the SM-013 module.
Using the TYZS4 module in the ZBGW.
tuya MG21 module wildly used in tuya devices and is very nice !!
Adding manufactur tocken with manufactur and board name in the device.
One user that cooking MultiPAN RCP Firmware for SonOff coordinators and looks working very well and have good instructions for flasning and maintaining the firmware !!!