The MMC-DBM-1840-30 from Mesa Microwave is a RF Mixer with RF Frequency 18 to 40 GHz, LO Frequency 18 to 40 GHz, IF Frequency DC to 12 GHz, Conversion Loss 10 dB, Noise Figure 10 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for MMC-DBM-1840-30 can be seen below.