The ADL5802 from Analog Devices is a RF Mixer with RF Frequency 100 to 6000 MHz, LO Frequency 100 to 6000 MHz, IF Frequency 0 to 600 MHz, Conversion Gain 1.5 dB, Noise Figure 11 dB. Tags: Surface Mount, Double Balanced Mixer. More details for ADL5802 can be seen below.