The GL-T-398-402-15-10 from A-Info is a RF & Microwave Isolator with Frequency 398 to 402 MHz, Bandwidth 4 MHz, Insertion Loss 0.3 dB, Isolation 15 dB. Tags: Module with Connector, Coaxial Isolator. More details for GL-T-398-402-15-10 can be seen below.