T-Mobile is the sole U.S. wireless service provider using the AWS spectrum for HSPA+. AT&T once attempted to acquire T-Mobile, but the bid was rejected by regulators. T-Mobile is also a European service provider owned by Deutche Telecom. In the UK, T-Mobile is part of a joint venture with Orange called EE.
Best in class:Save 49% on 15 months of ExpressVPN