Just ordered this: http://www.wireless.att.com/cell-phone-service/cell-phone-details/?device=Sierra+Wireless+Aircard+875u&q_sku=sku950040

There are so many times that I find a great place to work, but their wireless is down or they don't have it. I'm expecting this to not be much different than a regular wi-fi. Has anyone else here used one of these type cards yet?