The RF2861 from Qorvo is a RF Mixer with RF Frequency 460 to 900 MHz, LO Frequency 644 to 1084 MHz, IF Frequency 0.1 to 400 MHz, Conversion Gain 14.5 dB, LO Drive - Power -10 to 0 dBm. Tags: Surface Mount, Down-Conversion Mixer. More details for RF2861 can be seen below.