The 8483A Power Sensor has a power range of 1?W to 100 mWatts and operates over a frequency range of 100kHz to 2GHz. The sensor is designed for use with the EPM-441A, EPM-442A, 435B, 436A, 437B, 438A, 70100A and E1416A power meters. The unit uses a Type-N (male) 75-ohm connector.