The WR5.1SHM from Virginia Diodes, Inc. is a Waveguide Mixer with RF Frequency 170 to 226 GHz, LO Frequency 70 to 110 GHz, IF Frequency 31 GHz, Conversion Loss 7.5 dB, LO Drive Level 3 to 6 dBm. Tags: Sub-Harmonic Mixer. More details for WR5.1SHM can be seen below.