The 2SLE4NW from Renaissance Electronics Corporation is a RF & Microwave Isolator with Frequency 2.5 to 2.503 GHz, Average Power Forward 5 W, Average Power Reverse 0.25 W, Insertion Loss 1 dB, Isolation 15 dB. Tags: Surface Mount, Surface Mount Isolator. More details for 2SLE4NW can be seen below.