Band Plan: Difference between revisions
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20 MHz channels extend +/- 10 MHz. This mean the partially or completely overlap with two channels above and below. |
20 MHz channels extend +/- 10 MHz. This mean the partially or completely overlap with two channels above and below. |
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| − | We currently use channel 173 as a 20 MHz channel. We should probably be using 174 to avoid overlap with 171 which we also use. |
+ | We currently use channel 173 as a 20 MHz channel. We should probably be using 174 to avoid overlap with 171 which we also use (see https://en.wikipedia.org/wiki/List_of_WLAN_channels#5_GHz_(802.11a/h/j/n/ac/ax) |
Revision as of 11:53, 18 July 2022
Comments
Channels are defined to be 5 MHz wide, reaching 2.5 MHz above and below their center frequency. Most channels used by BAM are 10 MHz wide, so +/- 5MHz of their center frequency. This means we only use odd channel numbers as 10 MHz channels overlap with even channels.
20 MHz channels extend +/- 10 MHz. This mean the partially or completely overlap with two channels above and below.
We currently use channel 173 as a 20 MHz channel. We should probably be using 174 to avoid overlap with 171 which we also use (see https://en.wikipedia.org/wiki/List_of_WLAN_channels#5_GHz_(802.11a/h/j/n/ac/ax)