If the photograph is clicked, it grows.

HP 54753A TDR Plug-in Modules
JPY300,000 1stock
osc2289

Channels (Vertical)
dc to 12.4 or 18.0 GHz, user selectable(CH1 only)
dc to 12.4 or 20.0 GHz, user selectable(CH2 only)

RMS Noise
Typical
12.4 GHz 0.25 mV
18 GHz 0.5 mV
20 GHz 2 0.5 mV

Maximum
12.4 GHz 0.5 mV
18 GHz 1.0 mV
20 GHz2 1.0 mV

Scale Factor full scale is eight divisions
Minimum 1 mV/div
Maximum 100 mV/div
Display Resolution 256 points

Nominal Input Impedance 50 [ohm ]
Connectors 3.5mm (m), channel and trigger
Input Reflection/Return Loss ≤5% for 30 ps rise time
Number of Channels 2
Dynamic Range/Maximum Specified Input Power ±400 mV relative to channel offset
Maximum Safe Input ±2V + peak ac (+16 dBm)
N/A