Which statement best describes the typical frequency bands used by Wi-Fi standards and a notable recent addition?

• A. 2.4 GHz and 5 GHz are the two common Wi‑Fi bands, and Wi‑Fi 6E adds a 6 GHz band.
• B. 3.5 GHz and 6 GHz are the main bands, and Wi‑Fi 6E reduces channels.
• C. 2.4 GHz only; 5 GHz is obsolete for modern standards.
• D. 6 GHz is the only band used by all Wi‑Fi standards.

Answer: (A)