The WR2.2SHM from Virginia Diodes, Inc. is a Waveguide Mixer with RF Frequency 325 to 500 GHz, LO Frequency 162.5 to 250 GHz, IF Frequency 40 GHz, Conversion Loss 9.5 dB, LO Drive Level 4 to 7 dBm. Tags: Sub-Harmonic Mixer. More details for WR2.2SHM can be seen below.