The 2J8NF from Renaissance Electronics Corporation is a RF & Microwave Isolator with Frequency 7.9 to 8.4 GHz, Average Power Forward 20 W, Average Power Reverse 10 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for 2J8NF can be seen below.