The Novatel MiFi is pretty much that device: http://www.novatelwireless.com/ http://www.novatelwireless.com/ I signed up for their developer program but haven'

The Novatel MiFi is pretty much that device: http://www.novatelwireless.com/ http://www.novatelwireless.com/ I signed up for their developer program but haven't really gotten started with it yet.