| 1. | This requires amplifiers, which only work in a narrow band of frequencies.
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| 2. | A non-Foster network could match an antenna over a continuous band of frequencies.
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| 3. | By 1950, expansion of TV channels into UHF band of frequencies became inevitable.
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| 4. | Technically, each individual frequency or band of frequencies could be considered an attribute.
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| 5. | The FCC is also responsible for reallocating bands of frequencies to different allocations.
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| 6. | Today, wireless devices are built for certain bands of frequencies and other specifications.
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| 7. | This allows several users to share a band of frequencies ( see bandwidth ).
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| 8. | Each radio works over a single band of frequencies.
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| 9. | Musical sound can be more complicated than human vocal sound, occupying a wider band of frequency.
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| 10. | Two band-pass filters allow only a single band of frequencies to pass through from an input signal.
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