CHICAGO -- Twenty years after 3G was first introduced in the United States, paving the way for a new generation of mobile apps, the network is officially being phased out. AT&T is set to pull the plug ...

There are so many areas that don't even have a single cell site with 3G on it, if they are adding 80 additional cities, that doesn't make them even close to half of their entire network 3G capable. If ...

A key part of any mobile phone specification is its operating frequency bands. The supported frequency bands determine whether a certain handset is compatible with a certain network carrier. Beside ...