Stange, T., Bailey, D., Bozhenkov, S., Braune, H., Brunner, K.-J., Ford, O., Fuchert, G., Grigore, E., Grulke, O., Laqua, H. P., Lazerson, S., Marsen, S., Moseev, D., Oosterbeek, H., Plaum, B., Wolf, R., & W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society (2024). Performance of the ECRH system of Wendelstein 7-X during the experimental campaign OP2.1. Talk presented at 22nd Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-22). Daejeon. 2024-04-22 - 2024-04-26.