The IR0104MC1Q from Narda-MITEQ is a RF Mixer with RF Frequency 1000 to 4000 MHz, LO Frequency 1000 to 4000 MHz, IF Frequency 0 to 500 MHz, Conversion Loss 12 dB, Noise Figure 10 dB. Tags: Module with Connectors. More details for IR0104MC1Q can be seen below.