The IRM14000-20000 from Sirius Microwave is a RF Mixer with RF Frequency 14 to 20 GHz, LO Frequency 14 to 20 GHz, IF Frequency 40 to 80 MHz, Image Rejection 25 to 28 dB, Conversion Loss 7.5 dB. Tags: Module with Connectors, Image Reject Mixer. More details for IRM14000-20000 can be seen below.