The JIC1015T1045S2 from JQL Electronics is a RF & Microwave Isolator with Frequency 1.015 to 1.045 GHz, Average Power Forward 150 W, Average Power Reverse 20 W, Peak Power Forward 1.5 kW, Insertion Loss 0.3 dB. Tags: Module with Connector, Coaxial Isolator. More details for JIC1015T1045S2 can be seen below.