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The battle for 4G dominance is ramping up this year, and it looks like AT&T may have a heck of a contender with its LTE 4G network.

AT&T showed off its LTE 4G network performing wicked fast with 28.87 megabits per second downloads and 10.4 Mbps uploads in a supposed “real world” scenario, reports GigaOm, which got an exclusive look at the network this week at AT&T’s Foundry innovation space in Texas.

In comparison, Verizon advertises download speeds between 5 Mbps and 12 Mbps, and upload speeds of around 5 Mbps, for its LTE 4G network.

The test was run using a MIMO antenna together with the 700 megahertz swath of spectrum the company bought at auction, and the Advanced Wireless Services (AWS) spectrum it already owns. Purchasing T-Mobile would give AT&T an extra bounty of AWS spectrum, which would make rolling out its LTE 4G network even easier.

Realistically, AT&T’s 4G speeds will certainly drop when it’s shared on a cellular tower, but it’ll be interesting to see if the company can still remain faster than Verizon. AT&T said previously that it expects to launch its LTE 4G network in the middle of this year, which still gives Verizon a half-year head start since it launched its 4G network last December.

We’ll be exploring the most disruptive mobile trends at our fourth annual MobileBeat 2011 conference, on July 12-13 at the Palace Hotel in San Francisco. It will focus on the rise of 4G and how it delivers the promise of true mobile computing. We’re also accepting entries for our mobile startup competition at the show. MobileBeat is co-located with our GamesBeat 2011 conference this year. To register, click on this link. Sponsors can message us at

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