The DM0408MA1 from Narda-MITEQ is a RF Mixer with RF Frequency 4000 to 8000 MHz, LO Frequency 4000 to 8000 MHz, IF Frequency 0 to 2000 MHz, Conversion Loss 6 dB, Noise Figure 6.5 dB. Tags: Module with Connectors, Image Reject Mixer. More details for DM0408MA1 can be seen below.