The IRM50100B from Technology Service Corporation is a RF Mixer with RF Frequency 10 MHz to 5 GHz, LO Frequency 5 to 10 GHz, IF Frequency 10 to 90 MHz, Image Rejection 22 to 32 dB, Conversion Loss 7.5 to 9.5 dB. Tags: Module with Connectors, Image Reject Mixer, I/Q Mixer. More details for IRM50100B can be seen below.