The GL-T-1214-20-100 from A-Info is a RF & Microwave Isolator with Frequency 1.2 to 1.4 GHz, Average Power Forward 100 W, Average Power Reverse 60 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for GL-T-1214-20-100 can be seen below.