The MC4513 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 dB, LO Drive - Power 13 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for MC4513 can be seen below.