In this Sept. 26, 2018, file photo visitors stand near a 5G logo at a display the PT Expo in Beijing. Through the agreement announced Tuesday cq, AT&T will also provide Nellis the national public safety communications platform FirstNet to eligible first responder and public safety personnel. AT&T did not disclose the financial terms of the agreement or when the service is expected to begin. (AP Photo/Mark Schiefelbein)