The HMC663LC3 from Analog Devices is a RF Mixer with RF Frequency 6to12 GHz, LO Frequency 6 to 14 GHz, IF Frequency DC to 4 GHz, Conversion Loss 8 dB, LO Drive - Power 21 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for HMC663LC3 can be seen below.