The HAFME4-139 from HXI is a Frequency Multiplier with Input Frequency 17.75 to 19.0 GHz, Output Frequency 71.0 to 76.0 GHz, Input Power 10 dBm, Output Power 13 dBm, Frequnecy 17.75 to 19.0 GHz. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for HAFME4-139 can be seen below.