The new Linksys AC1900 MU-MIMO router leverages the 802.11ac Wave 2 MU-MIMO technology, which helps ensure uninterrupted Wi-Fi connectivity to multiple devices in the home and functions as if multiple devices have their own dedicated router. With MU-MIMO, the whole household can enjoy 4K and HD TV streaming to multiple devices as well as play video games, listen to music, check email, shop, and more i 1 2 all at the same time.