The HMC774A from Analog Devices is a RF Mixer with RF Frequency 22 to 40 GHZ, LO Frequency 22 to 40 GHZ, IF Frequency DC to 10 GHz, Conversion Loss 10.5 to 14 dB, Noise Figure 12 to 13 dB. Tags: Surface Mount, Double Balanced Mixer, Up-Conversion Mixer, Down-Conversion Mixer. More details for HMC774A can be seen below.