The JID0500T0600KM10A3 from JQL Electronics is a RF & Microwave Isolator with Frequency 500 to 600 MHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.4 dB, Isolation 18 dB. Tags: Drop-In, Drop-In Isolator. More details for JID0500T0600KM10A3 can be seen below.