The HAFMA4-212 from HXI is a Frequency Multiplier with Input Frequency 8.5 to 9.0 GHz, Output Frequency 34.0 to 36.0 GHz, Input Power 4 dBm, Output Power 12 dBm, Frequnecy 8.5 to 9.0 GHz. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for HAFMA4-212 can be seen below.