The HMC7911 from Analog Devices is a RF Mixer with RF Frequency 17 to 20 GHz, LO Frequency 8.5 to 11.75, IF Frequency DC to 3.5 GHz, Conversion Gain 13.5 to 18 dB, Noise Figure 14 dB. Tags: Surface Mount, I/Q Mixer, Up-Conversion Mixer. More details for HMC7911 can be seen below.