The FMIR1012 from Fairview Microwave is a RF & Microwave Isolator with Frequency 18 to 26.5 GHz, Average Power Forward 50 W, Average Power Reverse 1 W, Insertion Loss 0.6 dB, Isolation 17 dB. Tags: Module with Connectors, Coaxial Isolator. More details for FMIR1012 can be seen below.