How to analyze TTL signal from RF 433MHz receiver module on PC over RS232

How to connect RF 433MHz module on PC RS232 and analyze TTL signals from RX module ?

What software and hardware interface to use for that ?

See this signal analyzer in DIY or KIT variant :

https://www.edaboard.com/group248-discussion1279.html

hmm, that looks good tpepar. Have you got one? But only works with windoze....

Maybe future version be on linux.