The SFD-603903-12SF-P1 from ERAVANT is a RF Detector with Frequency 60 to 90 GHz, Max Input Power -20 to 17 dBm, Voltage Sensitivity 900 mV/mW, Video Bandwidth 10 MHz. Tags: Module with Connectors, Waveguide, Diode Detector. More details for SFD-603903-12SF-P1 can be seen below.