The M42HWD from OML Inc. is a Waveguide Mixer with RF Frequency 18 to 26.5 GHz, LO Frequency 18 to 26.5 GHz, IF Frequency DC to 2.4 GHz, Conversion Loss 25 dB, LO Drive Level 12 to 17 dBm. Tags: Harmonic Mixer. More details for M42HWD can be seen below.