For example: Agilent E4440A or Anritsu 68369
Teledyne
Teledyne cct-38s150-r
broadband, multi-throw, electromechanical coaxial switch
Category: Accessories
Teledyne D600A-AT
WaveLink D600 6 GHz/4.8Vp-p Differential Amplifier Module with Adjustable Tips.
Category: Probe Kit