AT&T added and/or upgraded 130 cell sites across Manhattan this summer, including sites in the Upper West Side, Upper East Side, Morningside Heights, East Harlem, Central Harlem, Washington Heights and Inwood.
AT&T noted that it also plans to install additional radio carriers at more than 30,000 cell sites nationally this year, enabling new layers of spectrum capacity to carry larger volumes of mobile broadband traffic. http://www.att.com
