The JID4400T6000VM1 from JQL Electronics is a RF & Microwave Isolator with Frequency 4.4 to 6 GHz, Average Power Forward 40 W, Average Power Reverse 10 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for JID4400T6000VM1 can be seen below.