The JIC3000T6000S1R from JQL Electronics is a RF & Microwave Isolator with Frequency 3 to 6 GHz, Average Power Forward 30 W, Average Power Reverse 10 W, Insertion Loss 0.6 dB, Isolation 17 dB. Tags: Module with Connector, Coaxial Isolator. More details for JIC3000T6000S1R can be seen below.