Frequency used by each 802.11 Standard

Question 1

802.11a

Answer 1

5 GHz

Question 2

802.11b

Answer 2

2.4 GHz

Question 3

802.11g

Answer 3

2.4 GHZ

Question 4

802.11n

Answer 4

2.4 GHz / 5 GHz

Also called Wi-Fi 4

Question 5

802.11ac

Answer 5

5 GHz

also called Wi-Fi 5

Question 6

802.11ax

Answer 6

2.4 GHz / 5 GHz / 6 GHz

6 GHz is new or coming soon

• also called Wi-Fi 6
• 6 GHz are expected to benefit from improved performance and less crowded airwaves

Question 7

802.11be

Answer 7

2.4 GHz / 5 GHz / 6 GHz

6 GHz is new or coming soon

• also called Wi-Fi 6
• 6 GHz are expected to benefit from improved performance and less crowded airwaves