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Wi-Fi 6, or IEEE 802.11ax, is an IEEE standard from the Wi-Fi Alliance, for wireless networks . It operates in the 2.4 GHz and 5 GHz bands, [9] with an extended version, Wi-Fi 6E, that adds the 6 GHz band. [10] It is an upgrade from Wi-Fi 5 , with improvements for better
Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.
In 2007, 16 countries in Africa had just one international Internet connection with a capacity of 10 Mbit/s or lower, while South Africa alone had over 800 Mbit/s. The main backbones connecting Africa to the rest of the world via submarine cables , i.e., SAT-2 and SAT-3 , provide for a limited bandwidth.
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Of them, about 2 billion would be from developing countries, including 89 million from least developed countries. [ 1 ] [ 2 ] According to Hootsuite , the number of Global Internet users has already reached almost 5 billion, or about 53% of the global population as of 2021. [ 3 ]
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The Smart Africa Alliance is a partnership among African countries [1] adhering to the Smart Africa Manifesto. Its goal is to accelerate sustainable socioeconomic development on the African continent [ 2 ] through usage of Information and Communications Technologies (ICTs) and through better access to broadband services.
5G Cell Tower in Johannesburg, South Africa. The Internet in South Africa, one of the most technologically resourced countries on the African continent, is expanding.The internet country code top-level domain (ccTLD) [1].za is managed and regulated by the .za Domain Name Authority (.ZADNA) and was granted to South Africa by the Internet Corporation for Assigned Names and Numbers (ICANN) in 1990.