The IR0618LC4E from Narda-MITEQ is a RF Mixer with RF Frequency 6 to 18 GHz, LO Frequency 6 to 18 GHz, IF Frequency 0.01 to 1 GHz, Image Rejection 18 dB, Conversion Loss 12 dB. Tags: Module with Connectors, Image Reject Mixer, Down-Conversion Mixer. More details for IR0618LC4E can be seen below.