The FMIR1001 from Fairview Microwave is a RF & Microwave Isolator with Frequency 1 to 2 GHz, Average Power Forward 100 W, Average Power Reverse 50 W, Insertion Loss 0.6 dB, Isolation 18 dB. Tags: Module with Connectors, Coaxial Isolator. More details for FMIR1001 can be seen below.