The AT-AM2-1844-18XC2 from AT Microwave is a Frequency Multiplier with Input Frequency 9 to 22 GHz (Input), 18 to 44 GHz(Output), Output Frequency 18 to 44 GHz, Input Power 12 to 16 dBm, Output Power 17 to 18 dBm, Harmonics -40 to -5 dBc. Tags: Module with Connectors, Active. More details for AT-AM2-1844-18XC2 can be seen below.