The IRE0618HI1A from Narda-MITEQ is a RF Mixer with RF Frequency 6000 to 18000 MHz, LO Frequency 6000 to 18000 MHz, IF Frequency 20 to 40 MHz, Image Rejection 25 dB, Conversion Loss 9 dB. Tags: Module with Connectors, Single Balanced Mixer. More details for IRE0618HI1A can be seen below.