Radio spectrum

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Frq Band Comparison

The radio spectrum is the part of the electromagnetic spectrum with frequencies from 30 Hz to 300 GHz. It is used for various forms of wireless communication, including radio broadcasting, television broadcasting, mobile phones, satellite communication, and Wi-Fi.

Frequency Bands[edit | edit source]

The radio spectrum is divided into different frequency bands, each with specific uses and regulations. These bands include:

Uses of Radio Spectrum[edit | edit source]

The radio spectrum is essential for various applications:

  • **Broadcasting**: AM radio, FM radio, and television use different parts of the spectrum for transmitting audio and video signals.
  • **Communication**: Mobile phones, walkie-talkies, and satellite phones rely on specific frequency bands for voice and data transmission.
  • **Navigation**: Systems like GPS and radar use radio waves for location and tracking.
  • **Internet**: Wi-Fi and other wireless internet technologies operate within certain frequency ranges.

Regulation[edit | edit source]

The use of the radio spectrum is regulated by national and international bodies to prevent interference and ensure efficient use. Key organizations include:

Challenges[edit | edit source]

Managing the radio spectrum involves addressing challenges such as:

  • **Interference**: Overlapping signals can cause disruptions in communication.
  • **Spectrum Scarcity**: The increasing demand for wireless services puts pressure on available frequencies.
  • **Technological Advancements**: New technologies require reallocation and efficient use of the spectrum.

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Contributors: Prab R. Tumpati, MD