The HAFMV4-208 from HXI is a Frequency Multiplier with Input Frequency 12.5 to 12.75 GHz, Output Frequency 50.0 to 51.0 GHz, Input Power 10 dBm, Output Power 15 dBm, Frequnecy 12.5 to 12.75 GHz. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for HAFMV4-208 can be seen below.