Wireless - Wi-Fi 6
Wi-Fi 6, also known as 802.11ax, is a generation of Wi-Fi technology, succeeding Wi-Fi 5 (802.11ac). It brings several significant improvements over its predecessors, mainly focusing on increasing the efficiency and speed of wireless network connections. Here are some key features and benefits of Wi-Fi 6:
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Increased Speed: Wi-Fi 6 offers higher data rates than Wi-Fi 5, potentially delivering speeds up to 9.6 Gbps compared to 3.5 Gbps in Wi-Fi 5. These speeds are theoretical maximums and actual speeds will vary based on the environment and other factors.
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Improved Efficiency: One of the biggest improvements in Wi-Fi 6 is the use of Orthogonal Frequency Division Multiple Access (OFDMA). This technology allows multiple devices to share a single channel, increasing efficiency and reducing latency, especially in crowded environments with many connected devices.
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Better Performance in Crowded Areas: Wi-Fi 6 is designed to perform better in areas with many connected devices such as airports, stadiums, or your own device-heavy home. This is achieved through improved bandwidth management and OFDMA.
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Target Wake Time (TWT): This feature allows devices to determine when and how frequently they will wake up to send or receive data. It increases device sleep time and significantly improves battery life for mobile and IoT devices.
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Improved Range and Reliability: Wi-Fi 6 includes technologies such as Beamforming and MU-MIMO (Multi-User, Multiple Input, Multiple Output), which improve the range and reliability of Wi-Fi signals.
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Better Security: Wi-Fi 6 incorporates the latest security protocol, WPA3, which provides more robust security than WPA2, making it harder for hackers to crack passwords and offering enhanced protection against brute-force attacks.
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Backward Compatibility: Wi-Fi 6 routers are backward compatible with devices using older Wi-Fi standards. However, to fully benefit from Wi-Fi 6 features, both the router and the connecting devices need to support the 802.11ax standard.
The definition of Wi-Fi 6 also includes Wi-Fi 6E which uses a newly reserved frequency range of 6GHz.
Wi-Fi 6 brings faster speeds, greater efficiency, improved performance in environments with many devices, enhanced battery life for connected devices, and stronger security. However, to fully enjoy its benefits, both your router and devices need to support the Wi-Fi 6 standard.
Links:
https://forum.networklessons.com/t/wireless-high-client-density/40326/3?u=lagapidis
https://www.wi-fi.org/news-events/newsroom/wi-fi-alliance-introduces-wi-fi-6