Additional Features: The dedicated calibration solution for workloads to 600 MHz and beyond Portable and rugged enough for on-site applications Auxillary feed-through channel and external frequency reference Complete oscilloscope verification The powerful Fluke 5820A Oscilloscope Calibrator is a complete, yet flexible solution for oscilloscope calibration. It calibrates virtually all your digital and analog oscilloscopes quickly, easily and affordably. Even in its basic configuration, the Fluke 5820A provides tremendous versatility, allowing you to meet the manufacturer's calibration requirements for oscilloscopes up to 600 MHz.