The JIC12K0T13K0SMSF1 from JQL Electronics is a RF & Microwave Isolator with Frequency 12 to 13 GHz, Average Power Forward 10 W, Average Power Reverse 5 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for JIC12K0T13K0SMSF1 can be seen below.