The JIM1750T1850S1R from JQL Electronics is a RF & Microwave Isolator with Frequency 1.75 to 1.85 GHz, Average Power Forward 100 W, Average Power Reverse 5 W, Insertion Loss 0.35 dB, Isolation 21 dB. Tags: Surface Mount, Surface Mount Isolator. More details for JIM1750T1850S1R can be seen below.