The SAC3501 from SuperApex Corporation is a RF Mixer with LO Frequency 2 to 3.5 GHz, IF Frequency 10 to 600 MHz, Conversion Gain 8 dB, LO/RF Isolation 40 dB, LO/IF Isolation 60 dB. Tags: Die, Up-Conversion Mixer. More details for SAC3501 can be seen below.