Q8486D Waveguide Power Sensor Key Features & Specifications Excellent SWR for reducing mismatch uncertainty 50 MHz calibration port Accurate calibration and traceability to US National Institute of Standards and Technology (NIST) millimeter-wave sensor calibration Compatible with EPM (new N1913A/ 14A, E4418B/ 19B), EPM-P (E4416A/ 17A) and P-series (N1911A/ 12A) power meters, plus the E1416A VXI and discontinued 70100A and 43X power meter Accurate average power measurements over -70 to -20 dBm Frequency range 33 GHz to 50 GHz Diode power sensing element