https://sunlineshutter.en.made-in-china.com/product/lKnEhDfcvMpz/China-AC123-06D-Roller-Shutter-Window-Roller-Blind-Motorized-Awning-Curtain-RF-Transmitter-Radio-Emitter.html

https://github.com/Portisch/RF-Bridge-EFM8BB1
https://github.com/Portisch/RF-Bridge-EFM8BB1/issues/48