Agilent E5071C 9kHz to 8.5GHz Network Analyser (4 Port)

Wide dynamic range: > 123 dB dynamic range at test port (typical)
Fast measurement speed: 41 ms @ full 2-port cal, 1601 points
Low trace noise: 0.004 dB rms @ 70 kHz IFBW
Integrated S-parameter test set
Port options: 2-port and 4-port
Balanced measurements (4-port option)
Frequency options: From 9 kHz – 4.5 GHz/6.5 GHz/8.5 GHz, 100 kHz – 4.5 GHz/6.5 GHz/8.5 GHz (with bias tees), 300 kHz – 14 GHz/20 GHz (with bias tees)