The SFA-603903816-12SF-S1 from ERAVANT is a Frequency Multiplier with Input Frequency 7.5 to 11.25 GHz, Output Frequency 60 to 90 GHz, Input Power 4 to 9 dBm, Output Power 16 dBm, Harmonics -15 dBc. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for SFA-603903816-12SF-S1 can be seen below.