The JIM3300T3800S1R from JQL Electronics is a RF & Microwave Isolator with Frequency 3.3 to 3.8 GHz, Average Power Forward 60 W, Average Power Reverse 5 W, Insertion Loss 0.5 dB, Isolation 18 dB. Tags: Surface Mount, Surface Mount Isolator. More details for JIM3300T3800S1R can be seen below.