@Kevin_Z Thank you for your reply. My OS version is 1909 but I experienced the same problem on 1903 before upgrading too. As for the adapter under Device Manager, I can't really see if it does not...

Bought an Archer T4U v3 recently and constantly experiencing disconnects on 5GHz wifi on Windows 10. Every 30 mins or shorter, the dongle will disconnect from wifi and I can hear a sound in Windows...