The IRM4080B from Technology Service Corporation is a RF Mixer with RF Frequency 10 MHz to 4 GHz, LO Frequency 4 to 8 GHz, IF Frequency 10 to 90 MHz, Image Rejection 25 to 35 dB, Conversion Loss 7.5 to 10 dB. Tags: Module with Connectors, Image Reject Mixer, I/Q Mixer. More details for IRM4080B can be seen below.