The JIM1525T1675S1R from JQL Electronics is a RF & Microwave Isolator with Frequency 1.525 to 1.675 GHz, Average Power Forward 1 W, Average Power Reverse 1 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Surface Mount, Surface Mount Isolator. More details for JIM1525T1675S1R can be seen below.