The GL-T-1500-2500-18-50 from A-Info is a RF & Microwave Isolator with Frequency 1.5 to 2.5 GHz, Average Power Forward 50 W, Average Power Reverse 5 W, Insertion Loss 0.5 to 0.8 dB, Isolation 18 dB. Tags: Module with Connector, Coaxial Isolator. More details for GL-T-1500-2500-18-50 can be seen below.