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Presentacion funcionamiento redes inalámbricas

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2020/2021 Written for academic year
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Presentacion sobre el funcionamiento de las redes inalámbricas, módulo Servicios en Red

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MODULO PROFESIONAL
SERVICIOS EN RED
CGM SISTEMAS MICROINFORMÁTICOS Y REDES
2º CURSO


UT6 – REDES INALÁMBRICAS: Wi-Fi



Profesor: D. Juan Gabriel Pérez

,REDES INALÁMBRICAS: W
Introduc

, REDES INALÁMBRICAS: W
Características de las redes inalámb
• Ausencia de medios físicos (cables)
• Uso de la radiación electromagnética a través del espectro (frecuencias)
• Gestión del espectro ITU-R
• En España: CNAF (Cuadro nacional de atribución de frecuencias)

, REDES INALÁMBRICAS: W
Características de las redes inalámb
• Ventajas:
 Amplio abanico de distancias desde escasos metros a
kilómetros.
 Gran movilidad y flexibilidad.
 Facilidad y ahorro de costes en la instalación y los mantenimie
 Gran adaptabilidad a cualquier escenario. En muchos caso
neceaara la visibilidad directa.


• Inconvenientes:
 Más lentas que las cableadas.
 Menor ancho de banda.
 Menos seguras por la facilidad de acceso al medio.
 Susceptibles a variaciones en la calidad del servicio
interferencias y las condiciones climatológicas.
 Requieren de harware específico y complejo, de mayor coste
redes cableadas.

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