The IRM10-300 from Sirius Microwave is a RF Mixer with RF Frequency 10 to 300 MHz, LO Frequency 10 to 300 MHz, IF Frequency 7 to 14 MHz, Image Rejection 20 to 22 dB, Conversion Loss 8 dB. Tags: Module with Connectors, Image Reject Mixer. More details for IRM10-300 can be seen below.