Agilent, HP, Keysight E4419B Power Meter

Frequency range: 9 kHz to 110 GHz, sensor dependent
Power range: –70 dBm to +44 dBm (100 pW to 25 W), sensor dependent.
Power sensors: Compatible with all 8480 series and E-series sensors
Single sensor dynamic range: 90 dB maximum (E-series sensors), 50 dB maximum ( 8480 series sensors).
Display units: Absolute: Watts or dBm. Relative: Percent or dB.
Display resolution: Selectable resolution of 1.0, 0.1, 0.01, and 0.001 dB in Log mode, or 1 to 4 digits in linear mode.
Default resolution: 0.01 dB in log mode, 3 digits in linear mode.