The high speed Max Stream AC4000 MU MIMO Tri Band Router (EA9300) gives everyone in your home binge worthy Wi Fi to multiple devices at the same time, same speed. With MU MIMO technology, numerous devices receive blazing fast speed without buffering, keeping every movie lover and multi player gamer in your family happy, even while you video conference. Tri band technology provides an additional high speed 5 GHz band for total combined speeds up to 4.0 Gbps. Pair this router with a Max Stream Range Extender for Seamless Roaming so your device is always connected to the strongest Wi Fi signal and you can video chat and stream throughout your home without lag or buffer. The Linksys App allows you to control and monitor the EA9300. Kindly refer to page 14 in the User Manual for troubleshooting steps.