The IRE0618LI1B from Narda-MITEQ is a RF Mixer with RF Frequency 6000 to 18000 MHz, LO Frequency 6000 to 18000 MHz, IF Frequency 40 to 80 MHz, Image Rejection 25 dB, Conversion Loss 8 dB. Tags: Module with Connectors, Single Balanced Mixer. More details for IRE0618LI1B can be seen below.