Problem Wifi

Hello,

i'have problem with wifi connection.

From catalina i don't see Wifi card but now with big sur i see the card.

I see:

Versioni software:

 CoreWLAN: 16.0 (1657)

 CoreWLANKit: 16.0 (1657)

 Menu extra: 17.0 (1728)

 Informazioni di Sistema: 15.0 (1502)

 Famiglia IO80211: 12.0 (1200.12.2b1)

 Diagnosi: 11.0 (1163)

 Utility AirPort: 6.3.9 (639.14)

But i do not see wifi card!

I try to start command + R but nothing is changed after reinstall.

Can someone help me?

Raffaele