The HMC819LC5 from Analog Devices is a RF Mixer with RF Frequency 17.7 to 23.6 GHz, LO Frequency 6.6 to 11.6 GHz, IF Frequency DC to 3.5 GHz, Conversion Gain 15 dB, LO Drive - Power 7 dBm. Tags: Surface Mount, I/Q Mixer, Up-Conversion Mixer. More details for HMC819LC5 can be seen below.