IEEE 802.11b-1999

Wi-Fi generations

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Generation	Visual	IEEE standard	Adopted	Maximum link rate (Mbit/s)	Radio frequency (GHz)
—	—	802.11	1997	1–2	2.4
—	—	802.11b	1999	1–11	2.4
—	—	802.11a	1999	6–54	5
—	—	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[1]		802.11ax	2021	0.4–9608	2.4, 5
Wi-Fi 6E					6[b]
Wi-Fi 7[2]		802.11be	2024[c]	0.4–23,059	2.4, 5, 6
Wi-Fi 8[3][4][5]	—	802.11bn	2028	100,000	2.4, 5, 6

IEEE 802.11b-1999 or 802.11b is an amendment to the IEEE 802.11 wireless networking specification that extends throughout up to 11 Mbit/s using the same 2.4 GHz band. A related amendment was incorporated into the IEEE 802.11-2007 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.

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