The JIC12K0T18K0S1R from JQL Electronics is a RF & Microwave Isolator with Frequency 12 to 18 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.6 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for JIC12K0T18K0S1R can be seen below.