The MMC-DBM-0416-40 from Mesa Microwave is a RF Mixer with RF Frequency 4 to 16 GHz, LO Frequency 4 to 16 GHz, IF Frequency DC to 4 GHz, Conversion Loss 8 dB, Noise Figure 9 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for MMC-DBM-0416-40 can be seen below.