The WR1.5SHM from Virginia Diodes, Inc. is a Waveguide Mixer with RF Frequency 500 to 750 GHz, LO Frequency 250 to 375 GHz, IF Frequency 40 GHz, Conversion Loss 11 dB, LO Drive Level 4 to 8 dBm. Tags: Sub-Harmonic Mixer. More details for WR1.5SHM can be seen below.