The JIM1200T1400S1R from JQL Electronics is a RF & Microwave Isolator with Frequency 1.2 to 1.4 GHz, Average Power Forward 100 W, Average Power Reverse 5 W, Peak Power Forward 0.1 kW, Insertion Loss 0.35 dB. Tags: Surface Mount, Surface Mount Isolator. More details for JIM1200T1400S1R can be seen below.