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Frequencies Band may refer to:
Commonly used ranges of radio spectrum (e.g., VHF, UHF, L-band) defined for communications, broadcasting, and other radio services.
Specific frequency ranges used by Wi‑Fi and other wireless standards, such as the 2.4 GHz and 5 GHz bands.
Range-based frequency concepts used to describe or design filters and analyze signals (e.g., defining a passband).