The WR0.65x3 from Virginia Diodes, Inc. is a Frequency Multiplier with Input Frequency 366.7 to 566.7 GHz, Output Frequency 1100 to 1700 GHz, Input Power 0.3 to 25 mW, (13.97 dBm), Harmonics -20 dBc, Frequnecy 366.7 to 566.7 GHz. Tags: Waveguide, Waveguide Multiplier. More details for WR0.65x3 can be seen below.