The SAC3505 from SuperApex Corporation is a RF Mixer with LO Frequency 3.5 to 9 GHz, IF Frequency DC to 1 GHz, Conversion Loss 7 to 9 dB, LO Drive - Power 13 dBm, P1dB 7 to 12 dBm. Tags: Die, Double Balanced Mixer. More details for SAC3505 can be seen below.