AT&T unveils wireless network investment plans in Ohio for 2010 - Crain's Cleveland Business

AT&T has announced plans to bring 240 of its Ohio cell sites up to 3G speeds in 2010, more than quadrupling the number of towers upgraded in 2009.

The Dallas-based phone giant also plans to install 30 new sites that immediately will offer 3G coverage, which amounts to faster Internet access for mobile phones...