What Changes: Selecting the Right Channel Width (20/40/80 MHz) for Your Wireless Network

Zyxel_Jay Posts: 178  Zyxel Employee
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Channel width in a wireless network is a key factor that affects performance. This article examines the impact of different channel widths (20/40/80 MHz) and their suitability in various environments.

Understanding Channel Width

  1. Bandwidth and Speed: Higher channel widths offer greater bandwidth, translating into higher data transmission speeds.
  2. Interference Considerations: Wider channels are more susceptible to interference. In environments with significant interference, a narrower channel width can be more effective.


Selecting the right channel width is a balance between achieving high data speeds and minimizing interference. The choice should be based on the specific requirements and conditions of your network environment.