The GL-T-2806-2906-20-300 from A-Info is a RF & Microwave Isolator with Frequency 2.806 to 2.906 GHz, Average Power Forward 300 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -40 to 70 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for GL-T-2806-2906-20-300 can be seen below.