AT&T Thursday announced the expanded availability of its third generation services across Metro Detroit, building on AT&T’s overall 2010 wireless investment plans throughout Michigan as part of the nation’s fastest mobile broadband network.

 For the first half of 2010, AT&T’s total capital investment in its Michigan wireless and wireline networks was more than $225 million. In the Metro Detroit area, the following network enhancements have taken place so far this year:

* Added seven new cell sites in Detroit (two sites), Canton, Flint, Northville, Romulus and Westland;
* Upgraded more than 40 cell sites to 3G to enhance wireless coverage for residents and businesses in Macomb, Oakland, Wayne, as well as neighboring St. Clair, Lapeer and Washtenaw Counties;
* Allocated additional layers of frequency to 3G service at more than 125 cell sites to efficiently manage available spectrum and increase capacity;
* Activated 3G technology on nearly 20 cell sites in the greater Port Huron area, as well as enhancements along I-69, I-94, M-25 and M-29.
Additionally, the recent activation of 3G mobile broadband technology on nearly 25 cell sites in Monroe County will enhance wireless coverage in communities such as Monroe, Dundee, Flat Rock, Newport, Milan, Maybee, Lambertville, Temperance, as well as neighboring communities in Ohio. The network has also been enhanced along major roadways in the area, including I-75, US-23, M-50 and Telegraph Road, expanding coverage for commuters traveling into or through Metro Detroit and Ann Arbor.

“AT&T Michigan continues to invest in our state and in Metro Detroit because as a company we are committed to innovation and the benefits that innovation brings to our customers,” said Jim Murray, president of AT&T Michigan.

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