The AVT-EMCUSB-Conv USB converter is a variable, easy-to-connect device with small dimensions that electrically decouples devices with USB ports during testing and supplies them with power. The data transmission is done optically with a kevlar reinforced highly flexible fiber optic cable. The connection to PCs/laptops is made with a USB 3 connector (design A). The connectable devices can be USB3.0 or USB 1.0 to 2.0. The electromagnetic emissions of the USB converter AVT-EMCUSB-Conv are in the low range, with maximum resistance without functional restrictions at field strengths above 100 V/m (standard) or up to over 400 V/m (depending on the selected option).