The WR0.8X3 from Virginia Diodes, Inc. is a Frequency Multiplier with Input Frequency 300 to 466.7 GHz, Output Frequency 900 to 1400 GHz, Input Power 5 to 25 mW, (14 dBm), Harmonics -20 dBc, Frequnecy 300 to 466.7 GHz. Tags: Waveguide, Waveguide Multiplier. More details for WR0.8X3 can be seen below.