The M4751VW1A from Narda-MITEQ is a Space Qualified RF Mixer with RF Frequency DC to 51.4 GHz, LO Frequency 33.4 to 47.2 GHz, IF Frequency DC to 18 GHz, Conversion Loss 10 to 15 dB, Noise Figure 15 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for M4751VW1A can be seen below.