The DM0412LW2 from Narda-MITEQ is a RF Mixer with RF Frequency 4000 to 12000 MHz, LO Frequency 4000 to 12000 MHz, IF Frequency 0 to 4000 MHz, Conversion Loss 6 dB, Noise Figure 9 dB. Tags: Module with Connectors, Image Reject Mixer. More details for DM0412LW2 can be seen below.