In the meantime I have received this info from the manufacturer(See attachment).

Hi, Last week I bought the Alecto ADB 30 kinectic doorbell and found out it wasn't supported by RFlink. With RFLink in debug mode I saw it was not printing pulses(10;rfdebug=on) (also tried the other two debug modes(RFQDebug,..) Today I made an IQ data dump of the doorbell with a HackRF like device ...