Additional Features: 75 ohm impedance Excellent SWR above 600 kHz for reducing mismatch uncertainty Accurate calibration and traceability to NIST Precision type-N connector as standard The Agilent 8483A, Power Sensor, that is designed for use with the EPM series, EPM-P series, 70100A, E1416A and the 43x power meters, and provides extraordinary accuracy and stability. The Agilent 8483A, Power Sensor, gives you extremely low SWR, and is traceable to the U.S. National Institute of Standards and Technology (NIST). This sensor is the only 75 ohm impedance sensor in the 8480 series.