The SAC3508 from SuperApex Corporation is a RF Mixer with LO Frequency 2 to 6 GHz, IF Frequency DC to 2 GHz, Conversion Loss 7 to 8 dB, LO/RF Isolation 25 to 30 dB, LO/IF Isolation 20 to 25 dB. Tags: Die, Double Balanced Mixer. More details for SAC3508 can be seen below.