How can AP's channels be distributed to avoid or reduce internal and external interference

Use a cellular channel distribution to avoid channel overlapping. For example, there are only three non-overlapping channels in the 2.4 GHz frequency band: channels 1, 6, and 11. A proper channel distribution can greatly reduce co-channel interference on a WLAN network. Follow these principles when distributing radio channels:
- Use non-overlapping channels in adjacent areas.
- Adjust APs' transmit power to avoid co-channel interference between areas.
- Use a cellular channel distribution so that channels can be multiplexed without causing overlapping coverage areas.

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