The GL-T-435-450-23-30 from A-Info is a RF & Microwave Isolator with Frequency 435 to 450 MHz, Average Power Forward 30 W, Average Power Reverse 5 W, Insertion Loss 0.3 dB, Isolation 23 dB. Tags: Module with Connector, Coaxial Isolator. More details for GL-T-435-450-23-30 can be seen below.