The GL-T-498-502-15-10 from A-Info is a RF & Microwave Isolator with Frequency 498 to 502 MHz, Average Power Forward 10 W, Average Power Reverse 2 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for GL-T-498-502-15-10 can be seen below.