The DE020-0S from R & K Company Limited is a RF Detector with Frequency 1 MHz to 2.5 GHz, Max Input Power 10 dBm, Dynamic Range 45 dB, VSWR 1.50:1, Operating Temperature -20 to 60 Degree C. Tags: Module with Connectors, Diode Detector. More details for DE020-0S can be seen below.