300-425 · Question #316
Which frequency band provides the widest channel availability for enterprise WLANs?
The correct answer is D. 6 GHz. The 6 GHz band, introduced by Wi-Fi 6E, provides approximately 1200 MHz of spectrum and the largest number of non-overlapping channels of any Wi-Fi frequency.
Question
Which frequency band provides the widest channel availability for enterprise WLANs?
Options
- A2.4 GHz
- B5 GHz
- C900 MHz
- D6 GHz
How the community answered
(49 responses)- A6% (3)
- B2% (1)
- C2% (1)
- D90% (44)
Why each option
The 6 GHz band, introduced by Wi-Fi 6E, provides approximately 1200 MHz of spectrum and the largest number of non-overlapping channels of any Wi-Fi frequency.
2.4 GHz provides only 3 non-overlapping 20 MHz channels in most regulatory domains, making it the most spectrum-constrained Wi-Fi band.
5 GHz offers more channels than 2.4 GHz but its total usable spectrum is substantially less than the 6 GHz band, limiting wide-channel deployments.
900 MHz is a sub-GHz ISM band used for IoT and long-range low-throughput links, not for enterprise WLAN infrastructure.
The 6 GHz band spans 5.925-7.125 GHz, delivering roughly 1200 MHz of usable spectrum. This supports up to 59 non-overlapping 20 MHz channels, far exceeding the 25 available in 5 GHz and the 3 in 2.4 GHz, making it ideal for high-density enterprise environments. The abundance of clean spectrum also means 6 GHz devices face significantly less interference from legacy equipment.
Concept tested: 6 GHz band spectrum and channel availability for Wi-Fi 6E
Source: https://www.wi-fi.org/discover-wi-fi/wi-fi-6e
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