The HMC904LC5 from Analog Devices is a RF Mixer with RF Frequency 17 to 24 GHz, LO Frequency 8.25 to 12.3 GHz, IF Frequency DC to 3.5 GHz, Image Rejection 30 dB, Conversion Gain 12 dB. Tags: Surface Mount, I/Q Mixer, Down-Conversion Mixer. More details for HMC904LC5 can be seen below.