The WR1.5x3 from Virginia Diodes, Inc. is a Frequency Multiplier with Input Frequency 166.7 to 250 GHz, Output Frequency 500 to 750 GHz, Input Power 5 to 60 mW, (17.78 dBm), Harmonics -20 dBc, Frequnecy 166.7 to 250 GHz. Tags: Waveguide, Waveguide Multiplier. More details for WR1.5x3 can be seen below.