The MMC-DBM-3512-SF from Mesa Microwave is a RF Mixer with RF Frequency 3.5 to 12 GHz, LO Frequency 3.5 to 12 GHz, IF Frequency DC to 3 GHz, Conversion Loss 5 dB, Noise Figure 6 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for MMC-DBM-3512-SF can be seen below.