The Anritsu MS4644A 10 MHz – 40 GHz Vector Network Analyzer is an instrument system that contains a built-in source, test set, and analyzer. Test results are displayed real time on a front panel touch screen or also to a separate video monitor. Screen captures can easily be printed or saved in common graphic file formats. Depending on the model and installed options, the MS4644A VNA provide a maximum frequency range from 10 MHz to 40 GHz for standalone VNAs.