The WR3.4x2 from Virginia Diodes, Inc. is a Frequency Multiplier with Input Frequency 110 to 165 GHz, Output Frequency 220 to 330 GHz, Input Power 13.01 to 16.99 dBm, Harmonics -20 dBc, Frequnecy 110 to 165 GHz. Tags: Module with Connectors, Waveguide, Waveguide Multiplier. More details for WR3.4x2 can be seen below.