The MC4507 from MACOM is a RF Mixer with RF Frequency 4 to 20 GHz, LO Frequency 4 to 20 GHz, IF Frequency DC to 4 GHz, Conversion Loss 6 to 9.5 dB, LO Drive - Power 7 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for MC4507 can be seen below.