The HMC686LP4 from Analog Devices is a RF Mixer with RF Frequency 0.7 to 1.5 GHz, LO Frequency 1.1 to 1.5 GHz, IF Frequency DC to 0.5 GHz, Conversion Loss 7.5 dB, P1dB 23.5 to 25 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for HMC686LP4 can be seen below.