ac () focused exclusively on GHz. It introduced MHz and MHz channels, -QAM modulation, and up to spatial streams. Wave added MU-MIMO, allowing an access point to transmit to multiple clients simultaneously. Theoretical speeds reached Gbps, though real-world rates were much lower. Wi-Fi remains the baseline for modern deployments. Most current laptops and phones support ac.
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$ curl repovive.com/roadmaps/network-design/wireless-networking/802-11ac-wi-fi-5
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