The AT-AM4-5075-15M from AT Microwave is a Frequency Multiplier with Input Frequency 12.5 to 18.75 GHz (Input), 50 to 75 GHz(Output), Output Frequency 50 to 75 GHz, Input Power 8 to 12 dBm, Output Power 13 to 15 dBm, Harmonics -15 dBc. Tags: Waveguide, Active, Waveguide Multiplier. More details for AT-AM4-5075-15M can be seen below.