The AT-AM4-2040-12XC2 from AT Microwave is a Frequency Multiplier with Input Frequency 5 to 10 GHz (Input), 20 to 40 GHz(Output), Output Frequency 20 to 40 GHz, Input Power 11 to 15 dBm, Output Power 10 to 12 dBm, Harmonics -50 to -25 dBc. Tags: Module with Connectors, Active. More details for AT-AM4-2040-12XC2 can be seen below.