The HWMX28-SFKA from HASCO Components is a Waveguide Mixer with RF Frequency 26.5 to 40 GHz, LO Frequency 26.5 to 40 GHz, IF Frequency 0.01 to 10 GHz, Conversion Loss 7 dB, Input Power 10 to 13 dBm. Tags: Balanced Mixer, Down Converter Mixer, Up Converter Mixer. More details for HWMX28-SFKA can be seen below.