The HMC774LC3B from Analog Devices is a RF Mixer with RF Frequency 7to34 GHz, LO Frequency 20 to 34 GHz, IF Frequency DC to 8 GHz, Conversion Loss 11 dB, LO Drive - Power 13 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for HMC774LC3B can be seen below.