The IRM140180B from Technology Service Corporation is a RF Mixer with RF Frequency 10 MHz to 14 GHz, LO Frequency 14 to 18 GHz, IF Frequency 10 to 90 MHz, Image Rejection 24 to 32 dB, Conversion Loss 8.5 to 10.5 dB. Tags: Module with Connectors, Image Reject Mixer, I/Q Mixer. More details for IRM140180B can be seen below.