QuestenaPráctica que te muestra qué repasar después
Pregunta 379

How does antenna gain in dBi compare to gain stated in dBd for the same antenna?

  1. Gain in dBi is 2.15 dB lower
  2. Gain in dBi is 2.15 dB higherRespuesta correcta
  3. Gain in dBd is 1.25 dBd lower
  4. Gain in dBd is 1.25 dBd higher

Explicación

dBd is referenced to a half-wave dipole, which itself has 2.15 dB of gain over an isotropic radiator, so the same antenna's gain figure is 2.15 dB larger when expressed in dBi.

Continúa con este test

Empezar la práctica
Pregunta 379: How does antenna gain in dBi compare to gain stated in dBd… · FCC General Class (Element 3) · Questena