Within the ESA ARTES 20 Integrated Applications Promotion Program, SAT4M2M GmbH has been contracted with the SatApps Feasibility Study. SatApps stands for Space Technologies for Machine-2Machine Applications. The goal of the project is to develop and analyze in detail user requirements from dedicated applications in the energy autonomous sensor area as system monitoring at railway applications or container management in order to prepare for a follow-on demonstration project.