The WR6.5x3 from Virginia Diodes, Inc. is a Frequency Multiplier with Input Frequency 36.7 to 56.7 GHz, Output Frequency 110 to 170 GHz, Input Power 20 to 180 mW, (22.55 dBm), Harmonics -20 dBc, Frequnecy 36.7 to 56.7 GHz. Tags: Waveguide, Waveguide Multiplier. More details for WR6.5x3 can be seen below.