The AMR3-XX from Microwave Resources is a Frequency Multiplier with Input Frequency 8.8 to 13.3 GHz, Output Frequency 26.5 to 40 GHz, Input Power 10 dBm, Output Power 13 dBm, Sub-Harmonic Suppression 20 dB. Tags: Module with Connectors, Waveguide, Active, Waveguide Multiplier. More details for AMR3-XX can be seen below.