The JIC2700T3000S1 from JQL Electronics is a RF & Microwave Isolator with Frequency 2.7 to 3 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.3 dB, Isolation 22 dB. Tags: Module with Connector, Coaxial Isolator. More details for JIC2700T3000S1 can be seen below.