The A464-4XW-19 from Spacek Labs is a Frequency Multiplier with Input Frequency 11.125 to 12 GHz, Output Frequency 44.5 to 48 GHz, Output Power 19 to 20 dBm, Frequnecy 11.125 to 12 GHz, Current 590 mA. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for A464-4XW-19 can be seen below.