The HMC581LP6 from Analog Devices is a RF Mixer with RF Frequency 0.8 to 0.96 GHz, LO Frequency 700 MHz to 1.16 GHz, IF Frequency 0.05 to 0.3 GHz, Conversion Gain 9 dB, P1dB 9.5 dBm. Tags: Surface Mount, Down-Conversion Mixer. More details for HMC581LP6 can be seen below.