The HMC329LM3 from Analog Devices is a RF Mixer with RF Frequency 26 to 40 GHz, LO Frequency 32 to 40 GHz, IF Frequency DC to 8 GHz, Conversion Loss 8 dB, LO Drive - Power 13 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for HMC329LM3 can be seen below.