Rohde & Schwarz ZVL manufacturer reference. Source: Rohde & Schwarz. ZVL family reference depicts a 13.6 GHz configuration; no specific offered frequency variant is established. The offered unit's condition, installed options, included accessories, calibration, warranty and availability remain unverified.
Official Keysight U2049XA Option 100 reference photograph from the manufacturer data sheet. Thermal-vacuum option and offered-unit configuration are unverified.
Official N9020B MXA reference showing a 50 GHz configuration and an example modulation-analysis display. The pictured frequency range and measurement applications do not establish the offered unit's options or licenses.