The R911427226 Software XACC-0-SDC-008L-NN-NN license dongle allows easy transfer of licenses between ctrlX CORE devices. This dongle is a micro SD card with a unique serial number, enabling the user to assign licenses directly to the dongle instead of the CORE device. Original Bosch Rexroth products, with local support through CreatX Technology SRL, ensure superior quality and flexibility in use.