The SFA-383403420-22SF-S1 from ERAVANT is a Frequency Multiplier with Input Frequency 9.5 to 10 GHz, Output Frequency 38 to 40 GHz, Output Power 20 dBm, Harmonics -20 dBc, Frequnecy 9.5 to 10 GHz. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for SFA-383403420-22SF-S1 can be seen below.