The AV-4XW from Spacek Labs is a Frequency Multiplier with Input Frequency 12.5 to 18.7 GHz, Output Frequency 50 to 75 GHz, Input Power 12 dBm, Output Power 5 dBm, Frequnecy 12.5 to 18.7 GHz. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for AV-4XW can be seen below.