When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Radio spectrum - Wikipedia

    en.wikipedia.org/wiki/Radio_spectrum

    A radio band is a small frequency band (a contiguous section of the range of the radio spectrum) in which channels are usually used or set aside for the same purpose. To prevent interference and allow for efficient use of the radio spectrum, similar services are allocated in bands.

  3. Frequency allocation - Wikipedia

    en.wikipedia.org/wiki/Frequency_allocation

    The International Telecommunication Union defines frequency allocation as being of "a given frequency band for the purpose of its use by one or more terrestrial or space radiocommunication services or the radio astronomy service under specified conditions". [2] Frequency allocation is also a special term, used in national frequency ...

  4. Radio frequency - Wikipedia

    en.wikipedia.org/wiki/Radio_frequency

    Radio frequency (RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency [1] range from around 20 kHz to around 300 GHz.

  5. Output Radio Frequency Spectrum - Wikipedia

    en.wikipedia.org/.../Output_Radio_Frequency_Spectrum

    ORFS stands for Output RF Spectrum, where 'RF' stands for Radio Frequency.. The acronym ORFS is used in the context of mobile communication systems, e.g., GSM.It stands for the relationship between (a) the frequency offset from the carrier and (b) the power, measured in a specific bandwidth and time, produced by the mobile station due to effects in modulation and power ramping and switching. [1]

  6. Radio frequency spectrum - Wikipedia

    en.wikipedia.org/?title=Radio_frequency_spectrum&...

    Pages for logged out editors learn more. Contributions; Talk; Radio frequency spectrum

  7. Radio-frequency engineering - Wikipedia

    en.wikipedia.org/wiki/Radio-frequency_engineering

    Radio-frequency (RF) engineering is a subset of electrical engineering involving the application of transmission line, waveguide, antenna, radar, and electromagnetic field principles to the design and application of devices that produce or use signals within the radio band, the frequency range of about 20 kHz up to 300 GHz.

  8. Electromagnetic radio frequency convergence - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_Radio...

    Electromagnetic radio frequency (RF) convergence is a signal-processing paradigm that is utilized when several RF systems have to share a finite amount of resources among each other. RF convergence indicates the ideal operating point for the entire network of RF systems sharing resources such that the systems can efficiently share resources in ...

  9. File:United States Frequency Allocations Chart 2016 - The ...

    en.wikipedia.org/wiki/File:United_States...

    The following other wikis use this file: Usage on az.wikipedia.org Tezliyin paylanması; Usage on ca.wikipedia.org Banda ISM; Usage on fa.wikipedia.org