The FMMX9004 from Fairview Microwave is a RF Mixer with RF Frequency 15 to 23 GHz, LO Frequency 15 to 23 GHz, IF Frequency DC to 3.5 GHz, Image Rejection 30 dB, Conversion Loss 8 dB. Tags: Module with Connectors, I/Q Mixer, Double Balanced Mixer. More details for FMMX9004 can be seen below.