Note : Your Quotation Request will be directed to Linear Technology.
The LT5519 from Linear Technology is a RF Mixer with RF Frequency 700 to 1400 MHz, Noise Figure 13.6 dB, IP3 17.1 dBm, Supply Current 60 mA, Supply Voltage 3.3 V. Tags: Up-Conversion Mixer. More details for LT5519 can be seen below.
Triple Balanced Surface Mount Mixer from 1 to 3500 MHz
You can now find similar products from multiple companies on everything RF.