The QIQ12.7-15.4-3.5 from Qualink Microwave is a RF Mixer with RF Frequency DC to 3.5 GHz, LO Frequency 12.7 to 15.4 GHz, IF Frequency DC to 3.5 GHz, Image Rejection 35 dBc, Conversion Loss 8 dB. Tags: Module with Connectors, I/Q Mixer. More details for QIQ12.7-15.4-3.5 can be seen below.