I use a cricket usb modem to connect the house. What I did was shared the connection of the USB modem through one of my 2 nic's on the computer. From the nic I ran a cat6 to a wireless router I had laying around. On the wireless router, I just plugged into the port that says internet. So when my computer is connected online, the router has internet access. I followed these directions from instructable »
www.instructables.com/id ··· -Dialup/Its pretty much the same steps but instead of dial up you have a usb modem and think of the wireless router as the xbox. I too have looked into those cradlepoints but they seem to be a PITA to set up if your USB modem is not compatiable with a usb wireless router. I bought one of these »
www.newegg.com/Product/P ··· 33180064 and never got it working. My EC1705 was not compatible so it was asking what numbers to dial, user name and password which I did not know. After searching around I found nothing.
Whats the usb model number?