The DMY0418H from Narda-MITEQ is a RF Mixer with RF Frequency 4000 to 18000 MHz, LO Frequency 4000 to 18000 MHz, IF Frequency 0 to 4000 MHz, Conversion Loss 7 dB, Noise Figure 9.5 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for DMY0418H can be seen below.