The GL-T-0612-20-30 from A-Info is a RF & Microwave Isolator with Frequency 60 to 120 MHz, Bandwidth 10 MHz, Average Power Forward 30 W, Average Power Reverse 10 W, Insertion Loss 0.8 dB. Tags: Module with Connector, Coaxial Isolator. More details for GL-T-0612-20-30 can be seen below.