The M7-43 from Spacek Labs is a RF Mixer with RF Frequency 42-45 GHz, LO Frequency 37 GHz, IF Frequency 5-8 GHz, Conversion Loss 5.5 / 7.5 dB. Tags: Module with Connectors, Single Balanced Mixer, Single Sideband Mixer, Up-Conversion Mixer, Image Reject Mixer. More details for M7-43 can be seen below.