The JIC1000T1100S1 from JQL Electronics is a RF & Microwave Isolator with Frequency 1 to 1.1 GHz, Average Power Forward 50 W, Average Power Reverse 10 W, Insertion Loss 0.3 dB, Isolation 23 dB. Tags: Module with Connector, Coaxial Isolator. More details for JIC1000T1100S1 can be seen below.