Perfect fit but unfortunately the router doesn't cool much. A small USB/battery fan used to pull air through the device from the top worked better. That worked great: https://www.amazon.com/Honeywell-HTF090B-Turbo-Personal-Filter/dp/B00YU0W3CY/ref=asc_df_B00YU0W3CY/?tag=hyprod-20&linkCode=df0&hvadid=194952682001&hvpos=&hvnetw=g&hvrand=167950v887372&=hpon72&=.hpon72& &hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=200501&hvtargid=pla-393259368465&psc=1