The FMIR1013 from Fairview Microwave is a RF & Microwave Isolator with Frequency 1 to 2 GHz, Average Power Forward 50 W, Average Power Reverse 2 W, Insertion Loss 1.2 dB, Isolation 36 dB. Tags: Module with Connectors, Coaxial Isolator. More details for FMIR1013 can be seen below.