With this set it is possible to switch 433 MHz devices with the Raspberry Pi. The modules have been tested under pilight and can be used for this purpose without any problems. Both modules can also be operated on a plug-in board thanks to the pin pitch of 2.54 mm. Technical data transmitter https://elecena.pl/product/17982536/developer-boards-433-mhz-rx-tx-module 2021-04-28 https://elecena.pl/product/17982536/developer-boards-433-mhz-rx-tx-module 2023-08-17