Keysight Technologies U8481A RF Detector 18GHz Type-N Male

The Keysight Technologies USB thermocouple power sensor is fastest measurement speed for thermocouple sensor. It is accurate calibration and traceability to US national institute of standards and technology or national physical laboratory.

Best-in-class power linearity of less than 0.8 %
Wide dynamic range from -35 dBm to +20 dBm