The GL-T-3400-3600-23-20 from A-Info is a RF & Microwave Isolator with Frequency 3.4 to 3.6 GHz, Average Power Forward 20 W, Average Power Reverse 20 W, Insertion Loss 0.3 dB, Isolation 23 dB. Tags: Module with Connector, Coaxial Isolator. More details for GL-T-3400-3600-23-20 can be seen below.