The FMIR1023 from Fairview Microwave is a RF & Microwave Isolator with Frequency 8 to 18 GHz, Average Power Forward 5 W, Average Power Reverse 1 W, Insertion Loss 1.4 dB, Isolation 32 dB. Tags: Module with Connectors, Coaxial Isolator. More details for FMIR1023 can be seen below.