The SFA-903983818-10SF-S1 from ERAVANT is a Frequency Multiplier with Input Frequency 11.25 to 12.25 GHz, Output Frequency 90 to 98 GHz, Input Power 5 dBm, Output Power 18 dBm, Harmonics -20 dBc. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for SFA-903983818-10SF-S1 can be seen below.