The SFD-403603-19SF-N1 from ERAVANT is a RF Detector with Frequency 40 to 60 GHz, Frequency Flatness ±1.5 dB, Voltage Sensitivity 1100 mV/mW, Video Bandwidth 10 MHz, Operating Temperature -10 to +60 Degree C. Tags: Module with Connectors, Waveguide, Diode Detector. More details for SFD-403603-19SF-N1 can be seen below.