The IR0502MC1B from Narda-MITEQ is a RF Mixer with RF Frequency 500 to 2000 MHz, LO Frequency 500 to 2000 MHz, IF Frequency 40 to 80 MHz, Image Rejection 15 dB, Conversion Loss 9.5 dB. Tags: Module with Connectors. More details for IR0502MC1B can be seen below.