The IQB-0618 from Marki Microwave is a RF Mixer with RF Frequency 6 to 18 GHz, LO Frequency 6 to 18 GHz, IF Frequency DC to 5000 MHz, Image Rejection 23 dB, Conversion Loss 11 dB. Tags: Module with Connectors, I/Q Mixer. More details for IQB-0618 can be seen below.