On a call with investors Monday morning, AT&T confirmed its plans to use the AWS spectrum gained in the potential T-Mobile acquisition for its 4G LTE network. Following the carrier’s announcement on Friday that it will acquire T-Mobile from Deutsche Telekom pending regulatory approval, AT&T on Monday revealed one of many factors that motivated it to offer $39 billion for the nation’s No. 4 cellular carrier: spectrum. According to the roadmap pictured above, AT&T will free up T-Mobile’s 1700MHz AWS spectrum by migrating T-Mobile subscribers off the frequency. The carrier then plans to pair its 700MHz spectrum with T-Mobile’s newly-cleared AWS to cover 95% of the U.S. population with 4G LTE service. We know how important 4G is to carriers right now, so the move will potentially give AT&T a huge bump in the race against Verizon Wireless, which has already deployed LTE service in several markets.