The HAFME4-255 from HXI is a Frequency Multiplier with Input Frequency 17.5 to 18.75 GHz, Output Frequency 70.0 to 75.0 GHz, Input Power 13 dBm, Output Power 13 dBm, Frequnecy 17.5 to 18.75 GHz. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for HAFME4-255 can be seen below.