The HMC338LC3B from Analog Devices is a RF Mixer with RF Frequency 24 to 34 GHz, LO Frequency 31 to 34 GHz, IF Frequency DC to 3 GHz, Conversion Loss 11 dB, LO Drive - Power -5 dBm. Tags: Surface Mount, Sub-Harmonic Mixer. More details for HMC338LC3B can be seen below.