The DZM2653B from Herotek is a RF Detector with Frequency 10 MHz to 26.5 GHz, Max Input Power 23.01 dBm, Frequency Flatness 0.2 to 1 dB, Voltage Sensitivity 500 mV/ mW, VSWR 1.20:1, 1.80:1. Tags: Connectorized, Diode Detector. More details for DZM2653B can be seen below.