The DE040-0S from R & K Company Limited is a RF Detector with Frequency 1 MHz to 6 GHz, Max Input Power 5 dBm, Dynamic Range 60 dB, VSWR 2.00:1, Operating Temperature -20 to 60 Degree C. Tags: Module with Connectors, Diode Detector. More details for DE040-0S can be seen below.