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networking:wifi_channels [2021/06/29 12:32]
gcooper 		networking:wifi_channels [2021/06/29 13:54] (current)
gcooper
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 ====== WiFi Channel Notes ====== ====== WiFi Channel Notes ======
 +
 +<note tip>A mobile device with both 2.4GHz and 5GHz capability, with an analyzer app, is a great tool to have!</note>
 +
 +**Windows** [[https://www.metageek.com/products/inssider|Windows WiFi Analyzer]]
 +
 +**Android** [[https://play.google.com/store/apps/details?id=com.farproc.wifi.analyzer|Wifi Analyzer]]
  
 ===== 2.4GHz ===== ===== 2.4GHz =====
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 **There are only 3 non-overlapping channels 1 (2412MHz), 6 (2437MHz) and 11 (2462MHz).**  All others overlap significantly, causing adjacent-channel interference. **There are only 3 non-overlapping channels 1 (2412MHz), 6 (2437MHz) and 11 (2462MHz).**  All others overlap significantly, causing adjacent-channel interference.
  
-2.4GHz channels are **20 MHz wide**.  In the busy 2.4GHz range, using wider channels will often result in more interference and may not gain any throughput performance improvements.  Check your environment before implementing wider channels.+2.4GHz channels are **20 MHz wide**. 
 + 
 +In the busy 2.4GHz range, **using wider channels will often result in more interference** and may not gain any throughput performance improvements.  **Check your environment** before implementing wider channels. 
 + 
 +When setting up multiple access points (APs), assign each AP to a different channel and separate them as much as possible.
  
 {{ :networking:2.4ghz-channels.png?direct&600 |Non-Overlapping 2.4GHz Channels}} {{ :networking:2.4ghz-channels.png?direct&600 |Non-Overlapping 2.4GHz Channels}}
  
 +===== 5GHz =====
 +
 +https://www.alphr.com/the-best-wifi-channel-for-5ghz/
 +
 +https://www.maketecheasier.com/best-wifi-channel-for-5ghz-frequency/
 +
 +Newer 5GHz WiFi is faster, can transfer far more data in shorter amounts of time, has more available channels and will likely have less interference compared to 2.4GHz WiFi.
 +
 +There are 23 non-overlapping channels in the 5GHz band.
  
 +As with 2.4GHz, choose your channel and channel width based on the existing WiFi environment to avoid interference.
  
 +{{ :networking:5ghz-channels.png?direct&600 |5GHz Channels}}
  
networking/wifi_channels.1624991561.txt.gz · Last modified: 2021/06/29 12:32 by gcooper

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