August 28, 2023 What is MU-MIMO? MU-MIMO stands for Multi-User, Multiple Input and Multiple Output technology. MU-MIMO enables the communication with multiple devices simultaneously. More connected devices, No more waiting, and no more slow-connection. In 802.11n (WiFi 4), multiple spatial streams can transmit to a single client at one time. It is also known as Single User MIMO (SU-MIMO). In 802.11ax (WiFi 6) and 11ac (WiFi 5), MU-MIMO are introduced. Router or AP can transmit to multiple clients at the same time. Share on Facebook Opens in a new window. Tweet on Twitter Opens in a new window. Pin on Pinterest Opens in a new window. Back to blog