The JIM0800T0900S1R from JQL Electronics is a RF & Microwave Isolator with Frequency 800 to 900 MHz, Average Power Forward 100 W, Average Power Reverse 5 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Surface Mount, Surface Mount Isolator. More details for JIM0800T0900S1R can be seen below.