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CHAPTER 7 – FAQ
90
7.
FAQ

What is Wi-Fi 6?
Starting in 2019, in order to simplify the name, WFA (Wi-Fi Alliance) used numbers to name the new standard, so the name Wi-Fi 6 appeared.
802.11ax (11ax), which is also known as Wi-Fi 6. 11ax features 1024-QAM which provides high-throughput in both 2.4 GHz and 5 GHz bands, and
supports MU-MIMO & Orthogonal Frequency Division Multiple Access (OFDMA) to improve the channel capacity and efficiency, enabling more
clients to access the AP.

What is the difference between Wi-Fi 6 and Wi-Fi 5?
Institute of Electrical and Electronics Engineers (IEEE) wireless Wi-Fi 6 (802.11ax) standard is the successor to the IEEE Wi-Fi 5 (802.11ac)
standard. Wi-Fi 6 addresses the increasing number of devices in individual networks. Wi-Fi 6 operates in the 2.4 and 5 GHz bands and features
improvements in throughput, multiple-device support, and Wi-Fi spectrum efficiency.
Published Year Wi-Fi Wi-Fi Standard Frequency Band
1997 1
st
generation IEEE 802.11 (Wi-Fi 1) 2.4GHz
1999 2
nd
generation IEEE 802.11a
IEEE 802.11b (Wi-Fi 2) 5GHz
2.4GHz
2003 3
rd
generation IEEE 802.11g (Wi-Fi 3) 2.4GHz
2009 4
th
generation IEEE 802.11n (Wi-Fi 4) 2.4GHz or 5GHz
2013 5
th
generation IEEE 802.11ac (Wi-Fi 5) 5GHz
2019 6
th
generation IEEE 802.11ax (Wi-Fi 6) 2.4GHz or 5GHz