Telefonica Germany, which provides fixed and mobile services under the O2 brand, is set to launch its LTE network in Dusseldorf, the capital city of North Rhine-Westphalia, tomorrow, reports teltarif.de. The operator, which is part of Spanish telecoms group Telefonica, already offers 4G services in a number of urban areas, including Munich, Berlin, Frankfurt, Cologne, Nuremberg, Dresden and Leipzig, with launches set to follow in Hamburg, Duisburg and Essen soon.