The GL-T-135185-20-60 from A-Info is a RF & Microwave Isolator with Frequency 1.35 to 1.85 GHz, Average Power Forward 60 W, Average Power Reverse 30 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for GL-T-135185-20-60 can be seen below.