Keysight Technologies U2004A - SWR Plots for U2000 Series USB Power Sensors; Figure 3-1 U2000 A Typical SWR (25 °C ±10 °C)

3 Specifications and Characteristics
40 U2000 Series Operating and Service Guide
SWR Plots for U2000 Series USB Power Sensors
Figure 3-1 U2000A typical SWR (25 °C ±10 °C)
U2001H 10 MHz to 6 GHz 1.15
U2002H
50 MHz to 8 GHz 1.15
8 GHz to 12.4 GHz 1.25
12.4 GHz to 18 GHz 1.28
18 GHz to 24 GHz 1.30