https://www.electrodragon.com/product/rf-switch-receiver-433315mhz-wdecoder/
On board Decoder, support and match with other encoder chip like
- PT2262 (fixed code), find the PT2262/2272 kit here.(it is 315mhz)
- EV1527 (learning code), you can find the nice look and safety receiver here.
- Wireless switch relay use EV1527 here.