The JIM1710T1785S1R from JQL Electronics is a RF & Microwave Isolator with Frequency 1.71 to 1.78 GHz, Average Power Forward 100 W, Average Power Reverse 5 W, Insertion Loss 0.25 dB, Isolation 21 dB. Tags: Surface Mount, Surface Mount Isolator. More details for JIM1710T1785S1R can be seen below.