The HMC422MS8 from Analog Devices is a RF Mixer with RF Frequency 1.2 to 2.6 GHz, LO Frequency 1.2 to 2.6 GHz, IF Frequency DC to 1 GHz, Conversion Loss 8 dB, P1dB 5 to 8 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for HMC422MS8 can be seen below.