After reverse engineering the more complicate Cixi Yidong protocol, the CAME remote was an easy task, especially that CAME remote protocol is pretty simple.
Here is the older remote I had around, which used to open the door of a garage:
The protocol analysis:
The RF gateway is connected to Node-RED through an Eclipse Mosquitto MQTT broker.
I have also prepared Node-RED UI element and the code behind to be able to teach the devices (remote or switches) for new codes.