I believe what you are asking for is to use the 2wire as a "wireless access point". That is to connect it to your existing Ethernet connection and get wireless from it. If so, then yes you can do and here's how: »what can i do with my old 2wire dsl modem?
And it's pretty simple. See wayjac's post in that thread about 1/2 way down dated: 2010-08-14 14:42:40