The M0520W1 from Narda-MITEQ is a RF Mixer with RF Frequency 5000 to 20000 MHz, LO Frequency 5000 to 20000 MHz, IF Frequency 0 to 3000 MHz, Conversion Loss 10 dB, Noise Figure 10.5 dB. Tags: Module with Connectors. More details for M0520W1 can be seen below.