I check output of receiver 433.92Mhz with logic analyzer, and i see four short packet, every time when i triger sensor... rflink in debug mode see nothing. I try with another mega 2560 with rflink firmware and receiver rxb6 433.92, the same situation. Logic analyzer on receiver output see packet, rf...

Jap, this look very nice.

Enter learning mode acording rflink manual use "10;RFFIND=ON" and just add this doorbel transmitter, thats all. Read the manual! RFlink support 32 devices manual adding.
http://www.rflink.nl/blog2/faq#RFFind

I have rflink r48, all work fine with aurel 433.92 rtx, reading temp/hum sensors, turning on/off switches. I get jablotron pir and door sensors 433.92 (JA-60N, JA-60B, JA-60P) and rflink cant see this sensors. Turning on debug mode doesnt help. With SDR RTL v3 in Sdrsharp i see 4 very short packets ...