8753E 300 kHz to 3 or 6 GHz Network Analyzer, APC-7

The HP Keysight 8753E is a used vector network analyzer that provides magnitude and phase information, and can make group delay and time domain measurements as well.
The Keysight 8753E’s processor makes measurements and data transfers up to seven times faster than HP 8753D’s or HP 8753C’s.
The overall throughput is enhanced by several new features such as simultaneous four-parameter displays and adapter-removal calibration.
Keysight, 8753E – Key Features and Specifications:
Integrated S-parameter test set with solid-state switching
Up to 110 dB dynamic range
Display all four S-parameters at the same time
Optional time-domain and swept-harmonic measurements