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An antenna is an electrical conductor or system of conductors

  • Transmission - radiates electromagnetic energy into space
  • Reception - collects electromagnetic energy from space

In two-way communication, the same antenna can be used for transmission and reception

Radiation pattern

Graphical representation of radiation properties of an antenna

Depicted as two-dimensional cross section

Beam width (or half-power beam width)

Measure of directive of antenna

Reception pattern

Receiving antenna's equivalent to radiation pattern

By : Ratnakanthan

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13y ago
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Ebenezer Boton

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1y ago

Le but de l’antenne sur un téléphone portable est de permettre une communication sans fil fiable avec les réseaux de téléphonie mobile. Les antennes modernes sont souvent intégrées à l’intérieur du téléphone portable et peuvent être conçues de manière à maximiser leur capacité à recevoir et émettre des signaux RF, tout en minimisant leur taille et leur impact sur la conception globale du téléphone portable.

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8y ago

The antenna - transmits the data/calls to & from the phone masts.

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Q: What is the function of an antenna?
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