High Quality Content by WIKIPEDIA articles! Vodafone D2 is a mobile telephone company, operating in Germany. It is a non-listed, wholly owned subsidiary of Vodafone Plc (which is based in the United ingdom). The company resulted from the 2000 takeover by Vodafone of the German operator Mannesmann Mobilfunk GmbH. D2-Netz, the company's primary asset, was the second digital (GSM) network licensed in Germany. It was rebranded in 2002 to Vodafone D2. Currently, the Vodafone D2 network serves both prepaid and postpaid customers on GSM and UMTS (with HSDPA).