The JIC5400T5900SMSF0 from JQL Electronics is a RF & Microwave Isolator with Frequency 5.4 to 5.9 GHz, Average Power Forward 10 W, Average Power Reverse 1 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for JIC5400T5900SMSF0 can be seen below.