The AE-4XW from Spacek Labs is a Frequency Multiplier with Input Frequency 15 to 22 GHz, Output Frequency 60 to 90 GHz, Input Power 12 dBm, Output Power 3 to 10 dBm, Frequnecy 15 to 22 GHz. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for AE-4XW can be seen below.