The IRM1218MC2B from Narda-MITEQ is a RF Mixer with RF Frequency 12000 to 18000 MHz, LO Frequency 12000 to 18000 MHz, IF Frequency 40 to 80 MHz, Image Rejection 18 dB, Conversion Loss 9 dB. Tags: Module with Connectors. More details for IRM1218MC2B can be seen below.