The German telecom regulator BNetzA announced the 4 applicants for its upcoming auction of spectrum at 800 MHz, 1.8 GHz, 2 GHz and 2.6 GHz as:

Erste MVV Mobilfunk Vermögensverwaltungsgesellschaft mbH (E-Plus)

Telefónica O2 Germany GmbH & Co. OHG

T-Mobile Deutschland GmbH

Vodafone D2 GmbH

The auction is scheduled to begin on 12 April. Links to the auction rules can be found on the KB spectrum auction calendar.