AT&T* unveiled its Michigan wireless network investment plans for 2010, which include the addition of more than 20 new cell sites and the upgrade of nearly 110 additional cell sites to 3G throughout the state. …
February 28th, 2010
admin AT&T* unveiled its Michigan wireless network investment plans for 2010, which include the addition of more than 20 new cell sites and the upgrade of nearly 110 additional cell sites to 3G throughout the state. …