Used controllers/interfaces

Agilent/Keysight N9913A

• Manufacturer: Agilent - Keysight
• Model: N9913A

Cable and antenna analyzer (CAT), vector network analyzer (VNA) 30 kHz to 4 GHz Spectrum analyzer 5 kHz to 4 GHz ± 0.5 dB amplitude accuracy, full band, over full temperature range of -10 to +55 °C (14 to 131 °F)...