Which frequency bands are included in the IEEE 802 specifications for WLAN?

The selection of the 2.4, 5, and 60 GHz frequency bands as part of the IEEE 802 specifications for Wireless Local Area Networks (WLAN) is accurate because these frequencies represent the primary bands used for Wi-Fi technologies.

The 2.4 GHz band is widely utilized due to its long-range capabilities and ability to penetrate walls and obstacles effectively, making it a popular choice for general household and commercial use. The 5 GHz band offers higher speeds and less interference due to its ability to support more non-overlapping channels, which is advantageous in environments with multiple networks.

The inclusion of the 60 GHz band relates to newer Wi-Fi technology, such as WiGig, which offers very high data rates over short distances. This band is less commonly used but is part of the evolving Wi-Fi standards aimed at increasing bandwidth for high-demand applications.

Thus, the correct choice emphasizes the diverse frequency ranges utilized in modern WLAN technologies, highlighting the versatility and evolution of wireless networking standards.