The JIM1805T1880S1R-II from JQL Electronics is a RF & Microwave Isolator with Frequency 1.805 to 1.88 GHz, Average Power Forward 100 W, Average Power Reverse 5 W, Insertion Loss 0.25 dB, Isolation 22 dB. Tags: Surface Mount, Surface Mount Isolator. More details for JIM1805T1880S1R-II can be seen below.