The JIM1100T1200S1R from JQL Electronics is a RF & Microwave Isolator with Frequency 1.1 to 1.2 GHz, Average Power Forward 100 W, Average Power Reverse 10 W, Peak Power Forward 0.2 kW, Insertion Loss 0.3 dB. Tags: Surface Mount, Surface Mount Isolator. More details for JIM1100T1200S1R can be seen below.