Industry is presenting the move of Mr Ulf Ewaldsson as T-moble got ultimate of 5G. Almost all the popular analyst and industry news posters are filled with this, seems to be an ultimate transition from one node to other in the whole 5G ecosystem.
As it relates to 5G, T-Mobile has differentiated itself by promising a nationwide network in the 2020 timeframe as opposed to more limited geographic reach. A big part of T-Mobile's plan for wide-area coverage hinges on its 600 MHz spectrum portfolio.
To be noted that T-mobile along with ericsson and intel has drwan its 5G plan and tested 5G on low band spectrum. Its relying on existing infrastructure, including ones from it merger partner Sprint, for 5G.