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4.9 GHz Public Safety Spectrum - Federal Communications Commission (FCC) Home Page
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日期:2024-04-26
In 2002, the Commission allocated fifty megahertz of spectrum in the 4940-4990 MHz band (4.9 GHz band) for fixed and mobile services (except aeronautical mobile service) and designated this band for use in support of public safety. Non-traditional public ...看更多