The HMC6147A from Analog Devices is a RF Mixer with RF Frequency 37 to 44 GHz, LO Frequency 16.5 to 22 GHz, IF Frequency 0 to 4 GHz, Image Rejection 15 to 25 dBc, Conversion Gain 10 to 13 dB. Tags: Surface Mount, I/Q Mixer, Down-Conversion Mixer. More details for HMC6147A can be seen below.