A technician is setting up a new wireless network in a crowded office building and is concerned about signal interference from the many other nearby networks. Which frequency band offers more non-overlapping channels to help mitigate this issue?
Both offer the same number of non-overlapping channels.
2.4GHz
5GHz
Neither frequency band is designed to prevent channel overlap.
The 5GHz frequency band offers significantly more non-overlapping channels (up to 24 or 25 depending on the region) compared to the 2.4GHz band, which typically only has three (1, 6, and 11). Using the 5GHz band is a common strategy to reduce co-channel and adjacent-channel interference in environments with many competing wireless networks, leading to better performance and a more stable connection. While the 2.4GHz band has a longer range, its limited number of channels makes it much more susceptible to interference and congestion.
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Why does the 5GHz band provide more non-overlapping channels than the 2.4GHz band?
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What are the implications of using more channels in the 5GHz band for network performance?
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Why is the 2.4GHz band still commonly used despite having fewer channels?