Is it possible to share mifi over a wired network?

My home internet is off for 2 weeks but the problem is I have a few devices which do not have built in wifi such as a old xbox, a really old original xbox, and a freesat box with built in internet and apps.

I have thought of two ways, one to use the wireless in pc and bridge it so it goes over the lan but this does not work, when I bridge them I either get no connection with the wireless or half a meg or so yet disabling or unbriding the connection I get 6-12 meg not sure if this is because its connected to a switch

Second way was making a router work as a bridge, I have a belkin gigabit router but cannot find any way to do this in the settings, I do have a Homehub 3 if I can use that for it if anyone knows.

It just means right now I can only use internet on my desktop and laptop and nothing else.

With a proper wireless ethernet bridge it should work.
http://www.amazon.co.uk/gp/product/B006PYGWG6/ref=as...

Just add an ethernet switch to the single ethernet port and viola can do several devices.

Fine for PC and probably Mac, but not for the xbox etc