The FXA-15-0003 from Farran is a Frequency Multiplier with Input Frequency 12.5 to 18.75 GHz, Output Frequency 50 to 75 GHz, Input Power 7 to 11 dBm, Output Power 5 to 8 dBm, Harmonics -30 dBc. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for FXA-15-0003 can be seen below.