The SMD-K2B from Synergy Microwave Corporation is a RF Mixer with RF Frequency 5 to 2000 MHz, LO Frequency 5 to 2000 MHz, IF Frequency 0 to 1000 MHz, Conversion Loss 7 dB, LO Drive - Power 7 dB. Tags: Surface Mount. More details for SMD-K2B can be seen below.