The HMC6787A from Analog Devices is a RF Mixer with RF Frequency 37 to 40 GHz, LO Frequency 16.5 to 22 GHz, IF Frequency 0 to 4 GHz, Conversion Gain 10 dB, Gain (dB) 13 dB. Tags: Surface Mount, I/Q Mixer, Up-Conversion Mixer. More details for HMC6787A can be seen below.