The AT-AM4-1850-15XC2 from AT Microwave is a Frequency Multiplier with Input Frequency 4.5 to 12.5 GHz (Input), 18 to 50 GHz(Output), Output Frequency 18 to 50 GHz, Input Power 13 dBm, Output Power 15 dBm, Frequnecy 4.5 to 12.5 GHz. Tags: Module with Connectors, Active. More details for AT-AM4-1850-15XC2 can be seen below.