Archived from groups: alt.internet.wireless (More info?)
The USB modem is no use to you, sell it.
You need ADSL modem/router/wifi, it can all be in one box (or two or three).
You need one computer connected via ethernet cable and adapter to set it all
up, after that all of them can be on wifi.
Consider using USB wifi adapters on length of cable, they are much easier to
position for best signal - half an inch can make difference.
(PCI adapters are shielded by the computer case, you may find you need an
external aerial, which doubles the price.)
Belkin is cheap, but, OK ish. If you want reliability get the best: Draytek
Vigor 2600G, bit more expensive though.
PC Card / PCMCIA current versions use 'cardbus' specification, only quite
old computers haven't got it.
While you are at it ditch BTopenworld ands switch to better and cheaper ISP
providers: PlusNet, Pipex, Zen...