EFR GmbH services

The EFR Utility SIM offers sectoral and cost-efficient tariffs as well as a high coverage thanks to a cooperation with Telefónica. With the new EFR service, all mobile communication networks in Germany and in foreign countries bordering Germany can be used. This guarantees the best possible network coverage. Thereby installation time is saved, because the technicians do not need to examine the availability of the different mobile Networks and to choose the right SIM card.

Service with specific and long standing industry experience. Fitting tariffs for applications in the energy sector.