The AT-AM4-3350-23 from AT Microwave is a Frequency Multiplier with Input Frequency 8.25 to 12.5 GHz (Input), 33 to 50 GHz(Output), Output Frequency 33 to 50 GHz, Input Power 13 to 15 dBm, Output Power 21 to 23 dBm, Harmonics -30 dBc. Tags: Waveguide, Active, Waveguide Multiplier. More details for AT-AM4-3350-23 can be seen below.