The SAC3506 from SuperApex Corporation is a RF Mixer with LO Frequency 11 to 20 GHz, IF Frequency DC to 4 GHz, Conversion Loss 5 to 8 dB, LO Drive - Power 13 dBm, P1dB 5 to 10 dBm. Tags: Die, Double Balanced Mixer. More details for SAC3506 can be seen below.