For example: Agilent E4440A or Anritsu 68369
Waveform Monitor
Keysight / Agilent 33511B
Waveform Generator, 20 MHz, 1-Channel with Arb

Manufacturer: Keysight / Agilent
Keysight / Agilent 33521B
Waveform Generator, 30 MHz, 1-Channel with Arb

Manufacturer: Keysight / Agilent
Keysight / Agilent 86116A
53 GHz optical / 63 GHz electrical module

Manufacturer: Keysight / Agilent
Keysight / Agilent 86116C
40 to 65 GHz Optical and 80 GHz Electrical Plug-in Modules

Manufacturer: Keysight / Agilent