The DZR124AA from Herotek is a RF Detector with Frequency 10 MHz to 12.4 GHz, Max Input Power 23.01 dBm, Frequency Flatness ±0.3 dB, Voltage Sensitivity 500 mV/ mW, VSWR 1.25:1. Tags: Connectorized, Diode Detector. More details for DZR124AA can be seen below.