The A476-4XW from Spacek Labs is a Frequency Multiplier with Input Frequency 11 to 12.5 GHz, Output Frequency 44 to 50 GHz, Output Power 13 dBm, Frequnecy 11 to 12.5 GHz, Current 400 mA. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for A476-4XW can be seen below.