Quick overview from the supplier:
Ubiquiti UniFi nanoHD, Compact 802.11ac Wave2 MU-MIMO Enterprise Access Point
// Supports 200+ Concurrent Users
Four-Stream 802.11ac Wave 2 Technology
Simultaneous Dual-Band Radios
5 GHz Band 4x4 Multi-User MIMO with Radio Rate of 1.733 Gbps
2.4 GHz Band 2x2 MIMO with Radio Rate of 300 Mbps
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