The QIQ0.5-1-1 from Qualink Microwave is a RF Mixer with RF Frequency DC to 1 GHz, LO Frequency 500 MHz to 1 GHz, IF Frequency DC to 1 GHz, Image Rejection 30 dBc, Conversion Loss 7.5 dB. Tags: Module with Connectors, I/Q Mixer. More details for QIQ0.5-1-1 can be seen below.