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T-Mobile

T-Mobile

T-Mobile International AG was a German holding company for Deutsche Telekom AG's various mobile communications subsidiaries outside Germany. Based in Bonn, Germany, its subsidiaries operated GSM, UMTS and LTE-based cellular networks in Europe, the United States, Puerto Rico, and the U.S. Virgin Islands. The company had financial stakes in mobile ...more on Wikipedia

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Companies Founded in 1990List of Telecommunications Companies