The HMC329 from Analog Devices is a RF Mixer with RF Frequency 25 to 40 GHz, LO Frequency 24 to 32 GHz, IF Frequency DC to 8 GHz, Conversion Loss 9.5 dB, LO Drive - Power 13 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for HMC329 can be seen below.