The MDT180400M from Meuro Microwave is a RF Detector with Frequency 18 to 40 GHz, Voltage Sensitivity 460 mV/mW, VSWR 2.00:1, Operating Temperature -40 to 70 Degree C, Storage Temperature -55 to 85 Degree C. Tags: Module with Connectors, Diode Detector. More details for MDT180400M can be seen below.