The JIC11K8T14K5SFSM1 from JQL Electronics is a RF & Microwave Isolator with Frequency 11.8 to 14.5 GHz, Average Power Forward 1 W, Average Power Reverse 1 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for JIC11K8T14K5SFSM1 can be seen below.