The JID0406T0420KM10 from JQL Electronics is a RF & Microwave Isolator with Frequency 406 to 420 MHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.3 dB, Isolation 21 dB. Tags: Drop-In, Drop-In Isolator. More details for JID0406T0420KM10 can be seen below.