The DZM020BB from Herotek is a RF Detector with Frequency 100 KHz to 2 GHz, Max Input Power 23.01 dBm, Frequency Flatness 0.1 to 0.3 dB, Voltage Sensitivity 500 mV/ mW, VSWR 1.30:1. Tags: Connectorized, Diode Detector. More details for DZM020BB can be seen below.