For example: Agilent E4440A or Anritsu 68369
Network Analyzers
A network analyzer is an instrument that measures the network parameters of electrical networks.
Keysight / Agilent 85025C
HP Agilent Keysight 85025C Waveguide Detector Adapter, Up to 110 GHz
Manufacturer: Keysight / Agilent
Keysight / Agilent 85032-60020
Adapter, Type-N Male to Type-N Female
Manufacturer: Keysight / Agilent
Keysight / Agilent 85032-60021
Adapter, Type-N Female to Type-N Female
Manufacturer: Keysight / Agilent
Keysight / Agilent 85032B
Agilent 85032B calibration kit contains precision 50 ohm type-N
Manufacturer: Keysight / Agilent
Keysight / Agilent 85032F
Agilent 85032F Standard Mechanical Calibration Kit, DC to 9 GHz, Type-N, 50 ohm
Manufacturer: Keysight / Agilent
Keysight / Agilent 85033D
Agilent 85033D Calibration Kit 3.5mm, 6GHz
Manufacturer: Keysight / Agilent
Keysight / Agilent 85036B
Standard Mechanical Calibration Kit, DC to 3 GHz, Type-N, 75 ohm
Manufacturer: Keysight / Agilent
Keysight / Agilent 85039B
HP Agilent 85039B Economy Mechanical Calibration Kit, DC to 3 GHz, Type-F, 75 ohm
Manufacturer: Keysight / Agilent
Keysight / Agilent 85047A
HP Agilent 85047A S-Parameter Test Set, 50 Ohms, 300 kHz to 6 GHz
Manufacturer: Keysight / Agilent
Keysight / Agilent 85051A
Agilent 85051A Verification Kit 7mm, for use w/8510A
Manufacturer: Keysight / Agilent
Keysight / Agilent 85052B
Agilent 85052B Mechanical Cal Kit .045-26.5GHz
Manufacturer: Keysight / Agilent
Keysight / Agilent 85052C
3.5 mm precision calibration kit 26.5 GHz
Manufacturer: Keysight / Agilent
Keysight / Agilent 85052D
Agilent 85052D Economy Mechanical Calibration Kit, DC to 26.5 GHz, 3.5 mm
Manufacturer: Keysight / Agilent
Keysight / Agilent 85054B
85054B Standard Mechanical Calibration Kit, DC to 18 GHz, Type-N, 50
Manufacturer: Keysight / Agilent
Keysight / Agilent 85056k
Agilent 85056K Mechanical Calibration Kit, DC to 50 GHz, 2.4 mm & 2.92 mm
Manufacturer: Keysight / Agilent