The AT-AM8-88104-20 from AT Microwave is a Frequency Multiplier with Output Frequency 88 to 104 GHz, Input Power 5 to 10 dBm, Output Power 20 dBm, Sub-Harmonic Suppression -20 dBc, Frequnecy 11 to 13 GHz. Tags: Waveguide, Module with Connectors, Waveguide Multiplier. More details for AT-AM8-88104-20 can be seen below.