The NRP-ZKU.03 from Rohde & Schwarz is a USB interface cable with 1.5m length. The R&S NRP-ZKU USB interface cable can be used to connect a power sensor to a laptop/PC via the USB interface. This is an extremely space-saving and also cost efficient solution that does not require a base unit. Two software tools R&S Power Viewer Plus and R&S NRPV virtual power meter are available to simplify sensor operation from a laptop/PC. These tools support all measurement functions implemented in the sensors.