The MMC-DBM1220-30A from Mesa Microwave is a RF Mixer with RF Frequency 12 to 20 GHz, LO Frequency 12 to 20 GHz, IF Frequency DC to 0.5 GHz, Conversion Loss 6 dB, Noise Figure 6 dB. Tags: Module with Connectors, Double Balanced Mixer, Triple Balanced Mixer. More details for MMC-DBM1220-30A can be seen below.