@Marcoblacks You write: "RFlink can manage my sensor protocol only in RX, it cannot talk with the my sensor node!!!" I think you do not need receive information from gateway every time. In registration process when you use fixed NodeID and do not use ACK, you only send info to GW. Photo sensor only sends data to GW too. Problem with power meter, when you retrieve old number of pulses from controller, but Domoticz has option "Energy read" ( computed x from device ) - maybe it helps. I not try that.