GRAND RAPIDS, Mich., Jan. 4, 2013 /PRNewswire/ -- As part of its continuing network investment and ongoing 4G LTE rollout, AT&T* has upgraded 4 mobile Internet cell sites throughout Grand Rapids to expand AT&T 4G LTE coverage for area residents and businesses. (Logo:...
Source : http://www.prnewswire.com/news-releases/att-expand...