The AT-AM4-8595-15 from AT Microwave is a Frequency Multiplier with Output Frequency 85 to 95 GHz, Input Power 10 dBm, Output Power 15 dBm, Sub-Harmonic Suppression -20 dBc, Frequnecy 21.25 to 23.75 GHz. Tags: Waveguide, Module with Connectors, Waveguide Multiplier. More details for AT-AM4-8595-15 can be seen below.