The M9373A from Keysight Technologies is a Vector Network Analyzer with Frequency 300 kHz to 14 GHz, Dynamic Range 0 to 122 dB, Output Power -40 to +3 dBm, Noise Floor 0 to 108 dBm, Directivity 31 to 48 dB. Tags: PXI VNA. More details for M9373A can be seen below.