Brad:
Here are two options for you:
1) From http://sewelldirect.com/default.asp
http://sewelldirect.com/usb-to-pcmcia-wireless-adapter.asp?adpath=/Google/Le
wis%20Gunter/06-04-04//USB%20to%20PCMCIA//47keywords=usb%20to%20pcmcia%20ad
aptermatch=1search=searchgclid=CLeinv7k14YCFQpCPgod236S6A
Not quite what you're asking for ... but, if you have to support a small
workgroup, we've used a Top Global 3G/Wifi box to do ad-hoc, mobile
support. Used ours with Verizon and Sprint 3G cards; has a wired
ethernet port in addition to the 11b access point. Great way to do an
off-site meeting
