The LT5522 from Analog Devices is a RF Mixer with RF Frequency 400 to 2700 MHz, Conversion Gain -0.1 dB, Noise Figure 13.9 dB, IP3 21.5 dBm, Supply Voltage 4.5 to 5.25 V. Tags: Surface Mount, Down-Conversion Mixer. More details for LT5522 can be seen below.