The SM4G from MACOM is a RF Mixer with RF Frequency 800 MHz to 3.5 GHz, LO Frequency 800 MHz to 2.4 GHz, IF Frequency DC to 1.5 GHz, Conversion Loss 7 to 9.5 dB, LO Drive - Power 7 dBm. Tags: Surface Mount, Double Balanced Mixer. More details for SM4G can be seen below.