The SFA-503703220-15KF-S1 from ERAVANT is a Frequency Multiplier with Input Frequency 25 to 35 GHz, Output Frequency 50 to 70 GHz, Input Power 10 dBm, Output Power 20 dBm, Harmonics -20 dBc. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for SFA-503703220-15KF-S1 can be seen below.