The IRM0204MC2Q from Narda-MITEQ is a RF Mixer with RF Frequency 2000 to 4000 MHz, LO Frequency 2000 to 4000 MHz, IF Frequency 0 to 500 MHz, Conversion Loss 10.5 dB, Noise Figure 8 dB. Tags: Module with Connectors, Single Balanced Mixer. More details for IRM0204MC2Q can be seen below.