The IRM0104LC1B from Narda-MITEQ is a RF Mixer with RF Frequency 1 to 4 GHz, LO Frequency 1 to 4 GHz, IF Frequency 0.04 to 0.08 GHz, Image Rejection 12 dB, Conversion Loss 9 to 10.5 dB. Tags: Module with Connectors, Image Reject Mixer. More details for IRM0104LC1B can be seen below.