802.11ac, also known as Wi-Fi 5, operates exclusively in the 5GHz frequency band. It supports higher data rates compared to previous standards, specifically due to wider channel bandwidths (80 MHz and 160 MHz), more spatial streams, and more efficient data encoding. While it offers improved performance and less interference compared to the 2.4GHz band, it does not include the 60GHz frequency; that band is used by the 802.11ad standard. 802.11ac also supports Multi-User Multiple Input Multiple Output (MU-MIMO) technology, which is an enhancement over the MIMO in previous standards.
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What is the significance of the 5GHz frequency band in 802.11ac?
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Why doesn’t 802.11ac include support for the 2.4GHz frequency band?