The M1-37 from Spacek Labs is a RF Mixer with RF Frequency 36-38 GHz, LO Frequency 36.6 GHz, IF Frequency DC-1 GHz, Conversion Loss 5.0 / 6.0 dB. Tags: Module with Connectors, Single Balanced Mixer, Single Sideband Mixer, Up-Conversion Mixer, Image Reject Mixer. More details for M1-37 can be seen below.