The SFD-603903-12SF-N1 from ERAVANT is a RF Detector with Frequency 60 to 90 GHz, Frequency Flatness ±2 dB, Voltage Sensitivity 900 mV/mW, Video Bandwidth 10 MHz, Operating Temperature -10 to +60 Degree C. Tags: Module with Connectors, Waveguide, Diode Detector. More details for SFD-603903-12SF-N1 can be seen below.