For example: Agilent E4440A or Anritsu 68369
Modulator/Amplifier/Detector/Splitter (MADS)
Keysight / Agilent 5086-7483
POWER AMPLIFIER DETECTOR 2.3 - 7.0 GHz
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Manufacturer: Keysight / Agilent
Keysight / Agilent 5086-7519
Modulator Amplifier Detector Splitter Module MADS
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Manufacturer: Keysight / Agilent