The SAC3504 from SuperApex Corporation is a RF Mixer with LO Frequency 7 to 14 GHz, IF Frequency DC to 3 GHz, Conversion Loss 5 to 8 dB, LO Drive - Power 13 dBm, P1dB -6 to 13 dBm. Tags: Die, Double Balanced Mixer. More details for SAC3504 can be seen below.