This tech note was intended to be a brief document describing the Multiple Input Multiple Output (MU-MIMO) enhancement utilized by 802.11 technology. A key area of focus for the document is highlighting the OmniPeek plugin developed by the Chief technology Officer (CTO) team at Aruba, a Hewlett Packard Enterprise company (Aruba). This versatile tool that works alongside OmniPeek offers valuable insight into MU-MIMO packet captures and assists administrators with troubleshooting network issues.