The JID0300T0380DM10 from JQL Electronics is a RF & Microwave Isolator with Frequency 300 to 380 MHz, Average Power Forward 100 W, Average Power Reverse 100 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for JID0300T0380DM10 can be seen below.