The C4220 from Copper Mountain Technologies is a 2-port modular vector network analyzer that operates from 1 kHz to 20 GHz. The VNA can measure all four S parameters S11, S12, S21, S22 and can be controlled using any Windows PC or laptop. It has a dynamic range of up to 133 dB (1Hz IF BW), directivity of 46 dB and sweep speeds of 12 microseconds per point. The analyzer is available in a rack mount unit that measures 440 x 140 mm with NMD 3.5 mm male connector and comes with standard three-year warranty. The frequency of this VNA can be extended by using the CobaltFX 2 Port VNA Frequency Extender.