The SFA-373453220-22KF-S1 from ERAVANT is a Frequency Multiplier with Input Frequency 16.5 to 23.5 GHz, Output Frequency 33 to 47 GHz, Input Power 20 dBm, Output Power 21 dBm, Harmonics -20 dBc. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for SFA-373453220-22KF-S1 can be seen below.