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| Generation | IEEE standard |
Adopted | Maximum link rate (Mb/s) |
Radio frequency (GHz) |
|---|---|---|---|---|
| (Wi-Fi 0*) | 802.11 | 1997 | 1–2 | 2.4 |
| (Wi-Fi 1*) | 802.11b | 1999 | 1–11 | 2.4 |
| (Wi-Fi 2*) | 802.11a | 1999 | 6–54 | 5 |
| (Wi-Fi 3*) | 802.11g | 2003 | 2.4 | |
| Wi-Fi 4 | 802.11n | 2009 | 6.5–600 | 2.4, 5 |
| Wi-Fi 5 | 802.11ac | 2013 | 6.5–6933 | 5[a] |
| Wi-Fi 6 | 802.11ax | 2021 | 0.4–9608[1] | 2.4, 5 |
| Wi-Fi 6E | 2.4, 5, 6[b] | |||
| Wi-Fi 7 | 802.11be | exp. 2024 | 0.4–23,059 | 2.4, 5, 6[2] |
| Wi-Fi 8 | 802.11bn | exp. 2028[3] | 100,000[4] | 2.4, 5, 6[5] |
| *Wi‑Fi 0, 1, 2, and 3 are named by retroactive inference. They do not exist in the official nomenclature.[6][7][8] | ||||
IEEE 802.11g-2003 or 802.11g is an amendment to the IEEE 802.11 specification that operates in the 2.4 GHz microwave band. The standard has extended link rate to up to 54 Mbit/s using the same 20 MHz bandwidth as 802.11b uses to achieve 11 Mbit/s. This specification, under the marketing name of Wi‑Fi, has been implemented all over the world. The 802.11g protocol is now Clause 19 of the published IEEE 802.11-2007 standard, and Clause 19 of the published IEEE 802.11-2012 standard.
802.11 is a set of IEEE standards that govern wireless networking transmission methods. They are commonly used today in their 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac and 802.11ax versions to provide wireless connectivity in the home, office and some commercial establishments.
802.11g is fully backward compatible with 802.11b, but coexistence of the two methods creates a significant performance penalty.
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- ^ "MCS table (updated with 80211ax data rates)". semfionetworks.com.
- ^ "Understanding Wi-Fi 4/5/6/6E/7". wiisfi.com.
- ^ Reshef, Ehud; Cordeiro, Carlos (2023). "Future Directions for Wi-Fi 8 and Beyond". IEEE Communications Magazine. 60 (10). IEEE. doi:10.1109/MCOM.003.2200037. Retrieved 2024-05-21.
- ^ "What is Wi-Fi 8?". everythingrf.com. March 25, 2023. Retrieved January 21, 2024.
- ^ Giordano, Lorenzo; Geraci, Giovanni; Carrascosa, Marc; Bellalta, Boris (November 21, 2023). "What Will Wi-Fi 8 Be? A Primer on IEEE 802.11bn Ultra High Reliability". arXiv:2303.10442.
- ^ Kastrenakes, Jacob (2018-10-03). "Wi-Fi Now Has Version Numbers, and Wi-Fi 6 Comes Out Next Year". The Verge. Retrieved 2019-05-02.
- ^ Phillips, Gavin (18 January 2021). "The Most Common Wi-Fi Standards and Types, Explained". MUO - Make Use Of. Archived from the original on 11 November 2021. Retrieved 9 November 2021.
- ^ "Wi-Fi Generation Numbering". ElectronicsNotes. Archived from the original on 11 November 2021. Retrieved 10 November 2021.