The GL-T-8025-8400-25-20 from A-Info is a RF & Microwave Isolator with Frequency 8.025 to 8.4 GHz, Average Power Forward 20 W, Average Power Reverse 10 W, Insertion Loss 0.25 dB, Isolation 25 dB. Tags: Module with Connector, Coaxial Isolator. More details for GL-T-8025-8400-25-20 can be seen below.