The JID0225T0380P4 from JQL Electronics is a RF & Microwave Isolator with Frequency 225 to 380 MHz, Average Power Forward 40 W, Average Power Reverse 40 W, Insertion Loss 0.9 dB, Isolation 16 dB. Tags: Drop-In, Drop-In Isolator. More details for JID0225T0380P4 can be seen below.