iRFR with Nomad on PC

I would suggest starting with this
https://www.etcconnect.com/Support/Articles/iRFR-How-to-Setup-Your-Wireless-Network.aspx

Connecting whit my console I didn't had any trouble... But whit the PC, the IP addresse is not available... I can see it but when I try to establish the connection whit the iRFR, it doesn't work...