You could put in an Airport Express, use it as a wireless extender/client and plug the Ethernet->Serial interface into that.

You might be violating the terms of your service agreement though!

Mark
G68, baby Genelecs, Humax Foxsat, Oppo+Vanity93, Toshiba HD-A35, Pioneer CLD-925 + Meridian 519, various other random bits and bobs
Got a black G08.2 you want to sell?