The CHR3664-QEG from United Monolithic Semiconductors is a RF Mixer with RF Frequency 17.00-27.00 GHz, LO Frequency 7.00-15.00 GHz, IF Frequency DC-3.5 GHz, Conversion Loss 12 dB, LO Drive - Power 0 dBm. Tags: Surface Mount, Down-Conversion Mixer. More details for CHR3664-QEG can be seen below.