The HMC329A from Analog Devices is a RF Mixer with RF Frequency 22 to 29 GHz, LO Frequency 22 to 29 GHz, IF Frequency DC to 8 GHz, Conversion Loss 9 to 12.5 dB, Noise Figure 11 to 14 dB. Tags: Surface Mount, Double Balanced Mixer, Up-Conversion Mixer, Down-Conversion Mixer. More details for HMC329A can be seen below.