The DZR185AC from Herotek is a RF Detector with Frequency 10 MHz to 18.5 GHz, Max Input Power 23.01 dBm, Frequency Flatness ±0.5 dB, Voltage Sensitivity 500 mV/ mW, VSWR 1.25:1. Tags: Connectorized, Diode Detector. More details for DZR185AC can be seen below.