The HMC-C044 from Analog Devices 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. More details for HMC-C044 can be seen below.