The WR1.2x3 from Virginia Diodes, Inc. is a Frequency Multiplier with Input Frequency 200 to 300 GHz, Output Frequency 600 to 900 GHz, Input Power 5 to 50 mW, (17 dBm), Harmonics -20 dBc, Frequnecy 200 to 300 GHz. Tags: Waveguide, Waveguide Multiplier. More details for WR1.2x3 can be seen below.