support for ASUS AC1200 USB-AC53 Nano wifi dongle

[Gary Dale]

I thought this would be easier than it's turned out to be. There are 
Internet posts going back years about support for this device but 
nothing recent - including a 5 year old Ubuntu post saying it works. 
Other wifi devices seem to be recognized out of the box or with a simple 
install of non-free firmware but not this one - at least not in Bullseye 
or Bookworm.

The adapter itself seems to be quite popular so I'm hoping someone can 
provide some clues on how to make it work

Thanks.