The QIQ30-38-3.5 from Qualink Microwave is a RF Mixer with RF Frequency DC to 3.5 GHz, LO Frequency 30 to 38 GHz, IF Frequency DC to 3.5 GHz, Image Rejection 15 dBc, Conversion Loss 10.5 dB. Tags: Module with Connectors, I/Q Mixer. More details for QIQ30-38-3.5 can be seen below.