T-Mobile is buying U.S. Cellular’s wireless operations and certain spectrum assets in a deal valued at $4.4 billion, and further consolidating the industry.T-Mobile would get more than 4 million new customers and control of U.S. Cellular’s wireless operations and about 30% of spectrum assets across several spectrum bands. T-Mobile will also enter into a new master license agreement on more than 2,000 towers and extend the lease term for the approximately 600 towers where T-Mobile is already a tenant.T-Mobil ...