T-Mobile thinks AT&T wants to stifle competition by hogging all the spectrum. Instant Analysis: T-Mobile Challenges AT&T's Proposed Spectrum Acquisition | The Motley Fool ...

AT&T tested spectrum aggregation models on the oft-overlooked uplink channel that the carrier claimed was an industry first and resulted in network speeds that could help meet growing 5G traffic ...

AT&T’s AST boost came on the heels of rival T-Mobile US last year signing a much-hyped deal with Elon Musk’s SpaceX to provide satellite connectivity using some of T-Mobile US’ 2.5 GHz ...