Which of the following frequency bands is NOT included in 802.11be (Wi-Fi 7)?

The 802.11be standard, also known as Wi-Fi 7, extends the capabilities of previous Wi-Fi generations by supporting several frequency bands, specifically those that are commonly used for wireless communication. This includes the 2.4 GHz and 5 GHz bands, which have been foundational in earlier Wi-Fi technologies, as well as the newer 6 GHz band that has been introduced for expanded bandwidth and reduced congestion.

The significance of the 6 GHz band is particularly notable for Wi-Fi 7 as it allows for wider channels and increased capacity, crucial for high-demand applications like streaming and gaming. However, the 7 GHz frequency band is not part of the 802.11be specification and has not been allocated for unlicensed Wi-Fi usage, which is why it is correctly identified as not included in the standard.

Thus, the correct understanding is that while 802.11be utilizes the 2.4 GHz, 5 GHz, and 6 GHz bands to enhance wireless performance, the 7 GHz band is not designated for this use in the Wi-Fi 7 framework.