The JIM4750T5250VM1R from JQL Electronics is a RF & Microwave Isolator with Frequency 4.75 to 5.25 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Surface Mount, Surface Mount Isolator. More details for JIM4750T5250VM1R can be seen below.