The WR1.9x2 from Virginia Diodes, Inc. is a Frequency Multiplier with Input Frequency 200 to 300 GHz, Output Frequency 400 to 600 GHz, Input Power 10 to 14.77 dBm, Harmonics -20 dBc, Frequnecy 200 to 300 GHz. Tags: Module with Connectors, Waveguide, Waveguide Multiplier. More details for WR1.9x2 can be seen below.