Mike Outmesguine brought a Top Global's MobileBridge MB8000 to the last SOCALWUG meeting. This device shares EVDO/3G Cellular with WiFi devices. Creating in instant WiFi hotspost without DSL!
With his WiFi VOIP phone he was able to make VOIP phone calls over EVDO. At least a dozen other users with WiFi enabled laptops shared the Internet with this device.