Unless it was added recently, Android TV (like the Shield or Mi Box) doesn't support WPA2 Enterprise. Actually, the ability is there but there is no UI for it. There is an app that may help, but I'm not sure if it still works with current devices:
https://play.google.com/store/apps/details?id=de.stefant.connecttoradiuswifi
Bodycount9
that box you linked isn't Android TV OS. So it doesn't belong on this reddit.
Unless it was added recently, Android TV (like the Shield or Mi Box) doesn't support WPA2 Enterprise. Actually, the ability is there but there is no UI for it. There is an app that may help, but I'm not sure if it still works with current devices: https://play.google.com/store/apps/details?id=de.stefant.connecttoradiuswifi