The SFA-373453420-22SF-S1 from ERAVANT is a Frequency Multiplier with Input Frequency 9.25 to 10.75 GHz, Output Frequency 37 to 45 GHz, Input Power 10 dBm, Output Power 20 dBm, Harmonics -20 dBc. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for SFA-373453420-22SF-S1 can be seen below.