The JID4400T4900VM3 from JQL Electronics is a RF & Microwave Isolator with Frequency 4.4 to 4.9 GHz, Average Power Forward 25 W, Average Power Reverse 25 W, Insertion Loss 0.3 dB, Isolation 22 dB. Tags: Drop-In, Drop-In Isolator. More details for JID4400T4900VM3 can be seen below.