FILE- In this Sept. 26, 2018, file photo visitors stand near a 5G logo at a display the PT Expo in Beijing. AT&T has drawn ridicule by relabeling the network used by some of its phones as “5G E” to signal that the next-generation wireless network is here. Problem is, phones capable of connecting to 5G aren’t coming for another few months, and a national 5G network won’t be deployed until 2020 or 2021. (AP Photo/Mark Schiefelbein, File)