The IRM10-1000 from Sirius Microwave is a RF Mixer with RF Frequency 10 MHz to 1 GHz, LO Frequency 10 MHz to 1 GHz, IF Frequency 29 to 31 MHz, Image Rejection 22 to 25 dB, Conversion Loss 8.5 dB. Tags: Module with Connectors, Image Reject Mixer. More details for IRM10-1000 can be seen below.