congstar offers prepaid and postpaid mobile products, as well as direct DSL and VDSL Internet access and regional high-speed Internet services. The excellent quality of the “D-Netz” mobile network, reasonable prices and flexible contract periods have helped congstar achieve success since its launch in 2007. congstar has over 3.5 million customers and regularly receives awards. In 2015 readers of telecommunications magazine connect chose congstar as “Mobile Operator of the Year” for the fourth year in a row.