The JID3500T5200VM0 from JQL Electronics is a RF & Microwave Isolator with Frequency 3.5 to 5.2 GHz, Average Power Forward 5 W, Average Power Reverse 1 W, Insertion Loss 0.6 dB, Isolation 17 dB. Tags: Drop-In, Drop-In Isolator. More details for JID3500T5200VM0 can be seen below.