AT&T announced plans to roll out 4G LTE in at least 50 additional markets by the end of this year.
AT&T 4G LTE currently covers more than 225 million people and 370 markets, and by the end of 2013, coverage is expected to expand to nearly 270 million people and more than 400 markets.
The company noted that it has invested nearly $98 billion into operations over the past 3 years.
