Pidgeon 1 on Crowd Supply is a sub-GHz radio with 500 mW transmission power, RS485 networking interface and a STM32F0 microcontroller:

Crowd Supply: Pidgeon 1

No more restrictions from high level software! Access the lowest level of digital radio transmission with this programmable sub-GHz wireless module.

Hardware Specifications:

• Radio – CC1120 + CC1190
• Controller – STM32F051K6
• FTDI USB interface – FT234XD-R
• RS485 interface – LTC2850IDD
• Buck converter – RT8010GQW
• SMA connector for antenna