That is AT&T’s 5GE or 5G Evolution, is merely AT&T's name for its latest and greatest iteration of LTE, which utilizes specific technologies, like 256 QAM, 3-way carrier aggregation and 4X4 MIMO that will play a role in 5G's ultimate development. 5GE is available in 400 markets and counting.
Definitely Not the same as 5G