The HMC683LP6C from Analog Devices is a RF Mixer with RF Frequency 0.7 to 1.0 GHz, LO Frequency 570 to 900 MHz, IF Frequency 0.06 to 0.4 GHz, Conversion Gain 7.5 dB, P1dB 11 dBm. Tags: Surface Mount, Down-Conversion Mixer. More details for HMC683LP6C can be seen below.