The DZR265AC from Herotek is a RF Detector with Frequency 10 MHz to 26.5 GHz, Max Input Power 23.01 dBm, Frequency Flatness ±0.5 to ±1 dB, Voltage Sensitivity 500 mV/ mW, VSWR 1.30:1, 2.00:1. Tags: Connectorized, Diode Detector. More details for DZR265AC can be seen below.