I'm using the IOgear GWU 637:
https://www.amazon.com/gp/product/B018YPWORE/ref=oh_aui_detailpage_o06_s00?ie=UTF8&psc=1
Unfortunately, still having trouble setting this up, possibly due to the cable, or change of WiFi SSID.
It's definitely not convenient, but I will keep trying until it's definitely confirmed as useless!
Less and less hotels these days with wired Ethernet, so I can't even use this normally…