4G In Denver Among The BestAsk anyone how their cellphone works and you'll probably get an earful. Cell companies are constantly working on improving networks, but there are still gaps. And now they're touting new 4G service. So CBS4's Alan Gionet wondered, what is 4G?
Businesses Will Benefit From AT&T's 4G Upgrade In DenverOne wireless provider plans to step up the competition in Denver and surrounding communities this summer as AT&T will soon offer 4G speeds.

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