The GL-T-3848-16-100 from A-Info is a RF & Microwave Isolator with Frequency 380 to 480 MHz, Average Power Forward 100 W, Average Power Reverse 1 W, Insertion Loss 0.6 dB, Isolation 16 dB. Tags: Module with Connector, Coaxial Isolator. More details for GL-T-3848-16-100 can be seen below.