The HAFMW4-170 from HXI is a Frequency Multiplier with Input Frequency 19.25 to 20.25 GHz, Output Frequency 77.0 to 81.0 GHz, Input Power 7 dBm, Output Power 10 dBm, Frequnecy 19.25 to 20.25 GHz. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for HAFMW4-170 can be seen below.