How does an antenna add gain to a wireless signal?

IT Questions BankCategory: CCNPHow does an antenna add gain to a wireless signal?
How does an antenna add gain to a wireless signal? 1IT Administrator Staff asked 5 months ago

How does an antenna add gain to a wireless signal?

  • An antenna is designed to function as if it were isotropic and provides varying levels of gain across 360 degrees of coverage.
  • An antenna uses specific circuitry to increase the gain of a wireless signal before transmission.
  • An antenna uses external power to increase the gain of a wireless signal during transmission.
  • An antenna shapes the RF energy as it is propagated into free space.

Explanation: Antennas are passive devices; they do not amplify a transmitter’s signal with any circuitry or external power. Instead, they amplify or add gain to the signal by shaping the RF energy as it is propagated into free space.

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