The SM6EH from MACOM is a RF Mixer with RF Frequency 5 to 750 MHz, LO Frequency 5 to 500 MHz, IF Frequency DC to 500 MHz, Conversion Loss 5.5 to 8.8 dB, LO Drive - Power 20 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for SM6EH can be seen below.