AT&T Invested More Than $1.5 Billion In Michigan From 2010 Through 2012AT&T Inc. announced Friday that it has invested more than $1.5 billion in its Michigan wireless and wireline networks from 2010 through 2012, with a focus on expanding 4G LTE mobile Internet coverage and enhancing the overall performance of its networks.
AT&T Invests More Than $1.5 Billion In Michigan 2009-2011AT&T Inc. said Tuesday that it had invested more than $1.5 billion in its Michigan wireless and wireline networks from 2009 through 2011 with a focus on improving the company’s mobile broadband coverage
AT&T Puts Up Further Network Enhancements

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