The SMD-5500 from Synergy Microwave Corporation is a RF Mixer with RF Frequency 500 to 6000 MHz, LO Frequency 500 to 6000 MHz, IF Frequency 50 to 2500 MHz, Conversion Loss 9.5 dB, LO Drive - Power 13 dB. Tags: Surface Mount. More details for SMD-5500 can be seen below.