The M3-35 from Spacek Labs is a RF Mixer with RF Frequency 34-36 GHz, LO Frequency 31 GHz, IF Frequency 3-5 GHz, Conversion Loss 5.5 / 7.0 dB. Tags: Module with Connectors, Single Balanced Mixer, Single Sideband Mixer, Up-Conversion Mixer, Image Reject Mixer. More details for M3-35 can be seen below.