The JIC0446T0506S0 from JQL Electronics is a RF & Microwave Isolator with Frequency 446 to 506 MHz, Average Power Forward 2 W, Average Power Reverse 2 W, Insertion Loss 0.3 dB, Isolation 25 dB. Tags: Module with Connector, Coaxial Isolator. More details for JIC0446T0506S0 can be seen below.