Agilent/HP / Network Analyzer / 8751A/002 
5 Hz to 500 MHz
•± 0.02 dB, ± 0.12° dynamic accuracy
•0.001 Hz, 0.001 dB, 0.001 degree, 10 ps resolution
•Full 2-port and interpolative calibration
•Conjugate matching analysis
•Built-in 1.44 MB disk drive for save/recall
•Crisp color display
•10 updates of 201 sweep points per second
•0.4 ms/point fast list sweep (IFBW = 4 kHz)
•Eight active trace markers per channel
•HP Instrument BASIC for customization
•HP 41802A 1 MΩ  input adapter
•List sweep for efficient measurement