The HAFMV4-321 from HXI is a Frequency Multiplier with Input Frequency 14.25 to 16.5 GHz, Output Frequency 57.0 to 66.0 GHz, Input Power 7 dBm, Output Power 12 dBm, Frequnecy 14.25 to 16.5 GHz. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for HAFMV4-321 can be seen below.