HP-Agilent/Keysight 8484A

The HP/Agilent 8484A is a diode power sensor is designed for use with the EPM series, EPM-P series, 70100A, E1416A and the 435A/B, 436A, 437A/B, and 438A power meters. It is a high sensitivity sensor operating from 10 MHz to 18 GHz at power levels from -70 to -20 dBm. The 8484A High Sensitivity Power Sensor measures power from 0.1nW to 10 uW over a frequency range of 10MHz to 18GHz.