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IEEE 802.11b

IEEE 802.11b-1999 o 802.11b, es una modificación de la Norma IEEE 802.11 que amplía la tasa de transferencia hasta los 11 Mbit/s usando la misma banda de 2.4 GHz. Estas especificaciones bajo el nombre comercial de Wi-Fi han sido implantadas en todo el mundo. La modificación se incorporó a la norma en la edición IEEE 802.11-2007.

Las 802.11 son un juego de Normas IEEE que gobiernan los métodos de trasmisión para redes inalámbricas. Hoy se usan sus versiones 802.11a, 802.11b y 802.11g para proporcionar conectividad en los hogares, oficinas y establecimientos comerciales.


Canales y frecuencias

802.11b/s Mapa de Canales y Frecuencias[1]
Canal Frecuencia central Ancho de banda Canales solapados
1 2.412 GHz 2.401 GHz - 2.423 GHz 2,3,4,5
2 2.417 GHz 2.406 GHz - 2.428 GHz 1,3,4,5,6
3 2.422 GHz 2.411 GHz - 2.433 GHz 1,2,4,5,6,7
4 2.427 GHz 2.416 GHz - 2.438 GHz 1,2,3,5,6,7,8
5 2.432 GHz 2.421 GHz - 2.443 GHz 1,2,3,4,6,7,8,9
6 2.437 GHz 2.426 GHz - 2.448 GHz 2,3,4,5,7,8,9,10
7 2.442 GHz 2.431 GHz - 2.453 GHz 3,4,5,6,8,9,10,11
8 2.447 GHz 2.436 GHz - 2.458 GHz 4,5,6,7,9,10,11,12
9 2.452 GHz 2.441 GHz - 2.463 GHz 5,6,7,8,10,11,12,13
10 2.457 GHz 2.446 GHz -2.468 GHz 6,7,8,9,11,12,13,14
11 2.462 GHz 2.451 GHz - 2.473 GHz 7,8,9,10,12,13,14
12 2.467 GHz 2.456 GHz - 2.478 GHz 8,9,10,11,13,14
13 2.472 GHz 2.461 GHz - 2.483 GHz 9,10,11,12,14
14 2.484 GHz 2.473 GHz - 2.495 GHz 12,13
Nota: No todos los canales están permitidos en todos los países.

Véase también

Referencias

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IEEE 802.11b
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