Anritsu PSN50 High Accuracy Sensor 50MHz to 6GHz -30 dBm to +20 dBmCondition: Used The High Accuracy Power Meter is designed to provide accurate power measurements from 50 MHz to 6 GHz. As an overview, the PSN50 sensor provides true RMS measurements from 30 dBm to +20 dBm enabling users to make highly accurate power measurements for both CW and digitally modulated signals such as GSM EDGE, CDMA EV DO,WCDMA HSDPA, WiMAX, and TD SCDMA.