The JIM1030T1090S1R from JQL Electronics is a RF & Microwave Isolator with Frequency 1.03 to 1.09 GHz, Average Power Forward 25 W, Average Power Reverse 5 W, Peak Power Forward 0.2 kW, Insertion Loss 0.3 dB. Tags: Surface Mount, Surface Mount Isolator. More details for JIM1030T1090S1R can be seen below.