The ADRF6604 from Analog Devices is a RF Mixer with RF Frequency 1200 to 3600 MHz, LO Frequency 2500 to 2900 MHz, IF Frequency 0 to 500 MHz, Conversion Gain 6.3 dB, Noise Figure 14.2 dB. Tags: Surface Mount. More details for ADRF6604 can be seen below.