The M6-K from Spacek Labs is a RF Mixer with RF Frequency 18-26 GHz, LO Frequency 28 GHz, IF Frequency 2-10 GHz, Conversion Loss 6.5 / 9.5 dB. Tags: Module with Connectors, Single Balanced Mixer, Single Sideband Mixer, Up-Conversion Mixer, Image Reject Mixer. More details for M6-K can be seen below.