Agilent/HP / Power Meter / E4416A 
Frequency range: 9 kHz to 110 GHz, sensor dependent

Power range: -70 to +44 dBm, sensor dependent

Display units Absolute: Watts or dBm
              Relative: Percent or dB

Display resolution: Selectable resolution of 1.0, 0.1, 0.01, 0.001 dB in logarithmic mode, or 1 to 4 significant digits in linear mode.

Offset range: ±100 dB in 0.001 dB increments, to compensate for
external loss or gain

Video bandwidth: 5 MHz (set by meter and is sensor dependent)