The PMU3-XX from Microwave Resources is a Frequency Multiplier with Input Frequency 13.3 to 20 GHz, Output Frequency 40 to 60 GHz, Input Power 20 dBm, Output Power 2 dBm, Sub-Harmonic Suppression 20 dB. Tags: Module with Connectors, Waveguide, Passive, Waveguide Multiplier. More details for PMU3-XX can be seen below.