The DM0408LW2 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 5 dB, Noise Figure 5.5 dB. Tags: Module with Connectors, Image Reject Mixer. More details for DM0408LW2 can be seen below.