The HMC556 from Analog Devices is a RF Mixer with RF Frequency 36 to 41 GHz, LO Frequency 38 to 41 GHz, IF Frequency DC to 3.5 GHz, Image Rejection 18 dB, Conversion Loss 11 dB. Tags: Die, I/Q Mixer, Image Reject Mixer. More details for HMC556 can be seen below.