GNU/Linux Debian Bullseye ALFA Network AWUS036NH Wifi Adapter Driver Setup – Step-by-step Guide
Hi! The linked Tutorial shows you Step-by-Step How to Install ALFA Network AWUS036NH Wireless 802.11ac Driver in Debian Bullseye 11.x GNU/Linux.
And the Debian Bullseye ALFA Network AWUS036NH Adapter is based on the Ralink RT3070 Chipset.
RIndeed, as for the LKDDB (Linux Kernel Driver DataBase) the Device should be supported from the 2.6.32 Kernel release.
But it may be just missing the Proprietary Firmware!
GNU/Linux Debian ALFA Network AWUS036NH Wireless Driver Installation Guide