The IRM0104LC1A from Narda-MITEQ is a RF Mixer with RF Frequency 1 to 4 GHz, LO Frequency 1 to 4 GHz, IF Frequency 0.02 to 0.04 GHz, Image Rejection 12 dB, Conversion Loss 9 to 10.5 dB. Tags: Module with Connectors, Image Reject Mixer. More details for IRM0104LC1A can be seen below.