Wireless Access

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Occasional Contributor II

Channel Width

Hi,

What is channel width ?

Re: Channel Width

The width of a channel is measured in mhz and you´ll usually see the options of 20, 40 or 80 mhz. It´s basically how much space you allow a channel to use and with it comes the extra throughput of that extra space.

 

On the 2,4ghz band I´d never use anything else than 20mhz. On 5ghz I´ll mostly use 40mhz channels even if I deploy 802.11ac access points because of the 80mhz channels taking up to much space and make channel re-use harder or impossible.

Christoffer Jacobsson | Aranya AB
Aruba: ACMX #537 ACCP | CWNP: CWNA CWDP CWSP
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