For example: Agilent E4440A or Anritsu 68369
Keysight / Agilent Attenuator / Component / Parts
Keysight / Agilent 5086-7815
RF Programmable Attenuator, 70 dB, DC - 2 GHz, 24 VDC
Manufacturer: Keysight / Agilent
Keysight / Agilent 83592-60123
RF Programmable Attenuator, 70 dB, DC- 20 GHz
Manufacturer: Keysight / Agilent
Keysight / Agilent 83711-60014
RF Programmable Attenuator, DC - 20 GHz, 90 dB
Manufacturer: Keysight / Agilent
Keysight / Agilent 84908-60006
RF Programmable Attenuator- 90 dB, 67 GHz
Manufacturer: Keysight / Agilent
Keysight / Agilent 85660-60121
Programmable RF Attenuator 70 dB DC - 22 GHz 24VDC
Manufacturer: Keysight / Agilent
Keysight / Agilent 85660-60122
Programmable RF Attenuator 70 dB DC- 22 GHz
Manufacturer: Keysight / Agilent
Keysight / Agilent 85660-60304
Programmable RF Attenuator 70 dB DC - 22 GHz 24VDC
Manufacturer: Keysight / Agilent