how to play steamvr game on oculus quest wirelessly without 5ghz router :
download and install this app "NetShare Pro" and install it with adb or sidequest.
turn on Wi-Fi on oculus quest 1 or 2 and then run NetShare Pro in unknown app.
create hotspot and set 5ghz in setting.
now on your windows connect to your created hotspot.
now you have 5ghz Wi-Fi and run ALVR or virtual desktop and enjoy.