What is MU-MIMO. This is an animated video explaining what it is and does. MU-MIMO allows communication to multiple devices at the same time. It breaks up the internet bandwidth and pushes it to the connected devices. It also explains beamforming. MU-MIMO Wi-Fi router recommendation (affiliate) 12 stream MU-MIMO router (affiliate) I am a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to and affiliated sites.