Wire Frequencies & Max Data Rates

IEEE Standard	Wi-Fi Generation	Frequency	Max Data Rate
802.11a		5 GHz	54 Mbps
802.11b		2.4 GHz	11 Mbps
802.11g		2.4GHz	54 Mbps
802.11n	Wi-Fi 4	2.4 / 5 GHz	600 Mbps
802.11ac	Wi-Fi 5	5 GHz	6.9 Gbps
802.11ax	Wi-Fi 6	2.4 / 5 / 6 GHz	9.6 Gbps
802.11be	Wi-Fi 7	2.4 / 5 / 6 GHz	46.1 Gbps

 Note: 802.11 ac is also backwards compatible to the 2.4GHz frequency

 Note: 802.11 be just came out in 2024 and not on the exam yet