Different standards of Wi-Fi :
These are the Wi-Fi standards that evolved from 1997 to 2021. In 1997 IEEE created one standard and gave the name 802.11.
IEEE 802.11 –
- It was developed in 1997.
- Speed is about 2 Mbps (2 megabits per second).
IEEE 802.11a –
- This standard is developed in 1999.
- 802.11a is useful for commercial and industrial purposes.
- It works on a 5 GHz frequency.
- The maximum speed of 802.11a is 54 Mbps.
- This standard was made to avoid interference with other devices which use the 2.4 GHz band.
IEEE 802.11b –
- This standard also created with 802.11a in 1999.
- The difference is that it uses a 2.4 GHz frequency band.
- The speed of 802.11b is 11 Mbps.
- This standard is useful for home and domestic use.
IEEE 802.11g –
- This standard is designed in 2003.
- Basically, it has combined the properties of both 802.11a and 802.11b.
- The frequency band used in this is 2.4 GHz for better coverage.
- And the maximum speed is also up to 54 Mbps.
IEEE 802.11n –
- This was introduced in 2009.
- 802.11n operates on both 2.4 GHz and 5 GHz frequency bands, they are operated individually.
- The data transfer rate is around 600 Mbps.
IEEE 802.11ac –
- This standard is developed in 2013 named 802.11ac.
- Wi-Fi 802.11ac works on the 5 GHz band.
- The maximum speed of this standard is 1.3 Gbps.
- It gives less range because of the 5 GHz band, but nowadays most of the devices are working on 802.11n and 802.11ac standards.
IEEE 802.11ax –
- It is the newest and advanced version of Wi-Fi.
- This is released in 2019.
- Operates on both 2.4 GHz and 5 GHz for better coverage as well as better speed.
- User will get 10 Gbps of maximum speed around 30-40 % improvement over 802.11ac
https://www.geeksforgeeks.org/wi-fi-standards-explained/
You can check the Wifi adapter properties to know if the device supports or not 802.11ax.
I am not a Cisco Meraki employee. My suggestions are based on documentation of Meraki best practices and day-to-day experience.
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