The GL-T-1000-1500-17.5-50 from A-Info is a RF & Microwave Isolator with Frequency 1 to 1.5 GHz, Average Power Forward 50 W, Insertion Loss 0.6 dB, Isolation 17.5 dB, Operating Temperature -30 to 70 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for GL-T-1000-1500-17.5-50 can be seen below.