The SFD-333503-22SF-P1 from ERAVANT is a RF Detector with Frequency 33 to 50 Ghz, Max Input Power -20 to 17 dBm, Voltage Sensitivity 1200 mV/mW, Video Bandwidth 10 MHz. Tags: Module with Connectors, Waveguide, Diode Detector. More details for SFD-333503-22SF-P1 can be seen below.