{"id":2608,"date":"2021-02-04T10:30:00","date_gmt":"2021-02-04T09:30:00","guid":{"rendered":"https:\/\/www.movistar.es\/blog\/que-significa-wifi\/"},"modified":"2022-05-04T20:53:07","modified_gmt":"2022-05-04T18:53:07","slug":"que-significa-wifi","status":"publish","type":"post","link":"https:\/\/www.movistar.es\/blog\/router\/que-significa-wifi\/","title":{"rendered":"Curiosidades y an\u00e9cdotas sobre el WiFi: m\u00e1s all\u00e1 de la conexi\u00f3n inmediata"},"content":{"rendered":"\n<p>En la actualidad,&nbsp;<strong>conectarte a Internet<\/strong>&nbsp;es pr\u00e1cticamente sin\u00f3nimo de hacerlo a un punto WiFi, con permiso de la conectividad m\u00f3vil. El WiFi ha sido el responsable de que Internet est\u00e9 disponible&nbsp;<strong>m\u00e1s all\u00e1 de un mero cable Ethernet<\/strong>. Desde hace a\u00f1os podemos conectar decenas de aparatos a Internet a trav\u00e9s del WiFi de, por ejemplo, tu <a href=\"https:\/\/blogthinkbig.com\/router-movistar-smart-wifi\" target=\"_blank\" rel=\"noreferrer noopener\">Router Movistar<\/a>. <\/p>\n\n\n\n<p>Pero aunque el WiFi sea una tecnolog\u00eda que&nbsp;<strong>usamos a diario y a todas horas<\/strong>, que creamos casi m\u00e1gica desde <a href=\"https:\/\/www.movistar.es\/particulares\/movil\/moviles\/hgu\/\" target=\"_blank\" rel=\"noreferrer noopener\">nuestro Router<\/a>, no todos conocen su origen o algunas las curiosidades del WiFi que lo convierten no solo en una herramienta \u00fatil sino tambi\u00e9n en una&nbsp;<strong>historia fascinante<\/strong>&nbsp;para leer y para contarle a cualquiera.<\/p>\n\n\n\n<p>Con anterioridad hemos tratado varios de los\u00a0<a rel=\"noreferrer noopener\" href=\"https:\/\/blogthinkbig.com\/mitos-verdades-wifi-routers\" target=\"_blank\">mitos sobre el WiFi<\/a>\u00a0m\u00e1s extendidos. Y tambi\u00e9n hemos hablado de su versi\u00f3n m\u00e1s reciente, el\u00a0<a rel=\"noreferrer noopener\" href=\"https:\/\/blogthinkbig.com\/reconocer-dispositivos-compatibles-wifi-6\" target=\"_blank\">WiFi 6<\/a>. A continuaci\u00f3n, hablamos sobre qu\u00e9 significa WiFi y listamos algunas de sus curiosidades y an\u00e9cdotas. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"no-podemos-hablar-de-curiosidades-sin-saber-que-significa-wifi\">No podemos hablar de curiosidades sin saber qu\u00e9 significa WiFi<\/h2>\n\n\n\n<p>Dice la Wikipedia que la conexi\u00f3n inal\u00e1mbrica que conocemos como WiFi nace de la uni\u00f3n de varias empresas del sector de las comunicaciones. En 1999, nombres ic\u00f3nicos como&nbsp;<strong>3Com, Lucent, Nokia<\/strong>&nbsp;o&nbsp;<strong>Symbol Technologies<\/strong>&nbsp;crean la&nbsp;<strong>WECA<\/strong>, acr\u00f3nimo de&nbsp;<em>Wireless Ethernet Compatibility Alliance<\/em>, o en castellano, Alianza por la Compatibilidad de un Ethernet Inal\u00e1mbrico.<\/p>\n\n\n\n<p>Como su nombre indica, quer\u00edan crear una tecnolog\u00eda inal\u00e1mbrica que permitiera conectar dispositivos&nbsp;<strong>sin necesidad de cables<\/strong>. En abril de 2000 lanzar\u00e1n su primera versi\u00f3n de esta tecnolog\u00eda, que todos conoceremos bajo el nombre&nbsp;<strong>WiFi<\/strong>&nbsp;y que a nivel t\u00e9cnico se llam\u00f3 IEEE 802.11b. Un est\u00e1ndar de la industria que lo cambiar\u00eda todo.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blogthinkbig.com\/wp-content\/uploads\/sites\/4\/2020\/01\/C\u00f3mo-mejorar-la-conexi\u00f3n-wifi2-1.jpg?w=610\" alt=\"curiosidades del WiFi\" class=\"wp-image-168655\" \/><\/figure>\n\n\n\n<p>Sin embargo, para llegar ah\u00ed, otros tuvieron que hacer parte del trabajo. Como ocurre con muchos inventos importantes,&nbsp;<strong>no hay un \u00fanico responsable<\/strong>. Y si hablamos de curiosidades del WiFi, siempre surge el nombre de&nbsp;<strong>Hedy Lamarr<\/strong>, actriz de Hollywood que particip\u00f3 en m\u00e1s de 30 t\u00edtulos y que en 1942 patent\u00f3 junto al compositor&nbsp;<strong>George Antheil<\/strong>&nbsp;una t\u00e9cnica de modulaci\u00f3n de se\u00f1ales. En origen deb\u00eda ser un sistema de comunicaci\u00f3n secreto para usar en tiempos de guerra, pero sent\u00f3 las bases de tecnolog\u00edas inal\u00e1mbricas tan populares hoy como&nbsp;<strong>Bluetooth<\/strong>&nbsp;y&nbsp;<strong>WiFi<\/strong>.<\/p>\n\n\n\n<p>En 1971, la Universidad de Hawai pone en pr\u00e1ctica esta tecnolog\u00eda para conectar una red de ordenadores,&nbsp;<strong>ALOHAnet<\/strong>. Hawai es un archipi\u00e9lago, por lo que conectar sus islas por cables resulta harto complicado. Con este proyecto, lograron&nbsp;<strong>enviar paquetes de datos<\/strong>&nbsp;a trav\u00e9s de ondas UHF, sentando las bases de tecnolog\u00edas como&nbsp;<strong>Ethernet<\/strong>&nbsp;y&nbsp;<strong>WiFi<\/strong>.<\/p>\n\n\n\n<p>Finalmente, en 1991,&nbsp;<strong>NCR y AT&amp;T<\/strong>&nbsp;crearon una tecnolog\u00eda llamada&nbsp;<strong>WaveLAN<\/strong>&nbsp;pensada para comunicarse con cajeros autom\u00e1ticos sin cables. De aqu\u00ed surgen las bases del protocolo que conoceremos t\u00e9cnicamente como IEEE 802.11.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"quien-es-el-dueno-de-esta-conexion-inalambrica\">Qui\u00e9n es el due\u00f1o de esta conexi\u00f3n inal\u00e1mbrica<\/h2>\n\n\n\n<p>Las patentes atestiguan de qui\u00e9n es el&nbsp;<strong>propietario o due\u00f1o de una tecnolog\u00eda<\/strong>. Pueden estar en manos de particulares o de empresas o instituciones acad\u00e9micas o p\u00fablicas.<\/p>\n\n\n\n<p>Con el prop\u00f3sito de estandarizar la conexi\u00f3n inal\u00e1mbrica WiFi, la&nbsp;<em>WECA<\/em>, que pas\u00f3 a llamarse&nbsp;<strong>Alianza Wi-Fi<\/strong>&nbsp;o&nbsp;<em>Wi-Fi Alliance<\/em>, es la encargada de definir c\u00f3mo funciona el WiFi y de definir su est\u00e1ndar, lo que conocemos como IEEE 802.11.<\/p>\n\n\n\n<p>De ah\u00ed que las patentes asociadas a esta tecnolog\u00eda sean propiedad de la&nbsp;<strong>Alianza Wi-Fi<\/strong>, dentro de la cual est\u00e1n representadas&nbsp;<a href=\"https:\/\/www.wi-fi.org\/membership\/member-companies\" target=\"_blank\" rel=\"noreferrer noopener\">la pr\u00e1ctica totalidad de empresas<\/a>&nbsp;relacionadas directa o indirectamente con esta conexi\u00f3n inal\u00e1mbrica.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"un-galimatias-de-letras-y-numeros\">Un galimat\u00edas de letras y n\u00fameros<\/h2>\n\n\n\n<p>Hemos dicho varias veces que lo que todos llamamos&nbsp;<strong>WiFi<\/strong>&nbsp;se conoce t\u00e9cnicamente como IEEE 802.11. IEEE es el acr\u00f3nimo de Instituto de Ingenieros El\u00e9ctricos y Electr\u00f3nicos, un organismo internacional que define y certifica tecnolog\u00edas como la propia WiFi.<\/p>\n\n\n\n<p>Durante a\u00f1os, la conexi\u00f3n inal\u00e1mbrica WiFi ha ido evolucionando para ofrecer&nbsp;<strong>velocidades cada vez mayores<\/strong>&nbsp;y otras funciones, como mantener una conexi\u00f3n homog\u00e9nea, gestionar m\u00e1s dispositivos a la vez, etc. As\u00ed, el primer WiFi se llamaba&nbsp;<strong>IEEE 802.11b<\/strong>&nbsp;y los siguientes fueron a\u00f1adiendo las letras del abecedario.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blogthinkbig.com\/wp-content\/uploads\/sites\/4\/2020\/10\/WiFi-6-Official-Logo.jpg?w=610\" alt=\"\" class=\"wp-image-189506\" \/><\/figure>\n\n\n\n<p>En el pasado, las versiones m\u00e1s populares fueron IEEE 802.11b, IEEE 802.11g y, tambi\u00e9n, IEEE 802.11n. Con el tiempo, la nomenclatura se volvi\u00f3 m\u00e1s confusa todav\u00eda con IEEE 802.11ac y, finalmente, IEEE 802.11ax.<\/p>\n\n\n\n<p>Para resolver este galimat\u00edas, se decidi\u00f3 renombrar el WiFi con una numeraci\u00f3n m\u00e1s clara. Lo que conocemos t\u00e9cnicamente como&nbsp;<strong>IEEE 802.11ac<\/strong>&nbsp;es hoy&nbsp;<strong>WiFi 5<\/strong>. Y la versi\u00f3n m\u00e1s reciente,&nbsp;<strong>IEEE 802.11ax<\/strong>, la conocemos popularmente por&nbsp;<strong>WiFi 6<\/strong>. En la ficha t\u00e9cnica de un iPhone 12, por poner un ejemplo reciente, indica que es compatible con \u201cWifi 802.11ax (6\u00aa gen.)\u201d.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"wifi-en-todas-partes\">WiFi en todas partes<\/h2>\n\n\n\n<p>La tecnolog\u00eda WiFi est\u00e1 en todas partes, literalmente. No solo&nbsp;<strong>tu ordenador o tu tel\u00e9fono inteligente<\/strong>&nbsp;se pueden conectar v\u00eda WiFi. Hace tiempo que tambi\u00e9n encontramos esta tecnolog\u00eda inal\u00e1mbrica en televisores, videoconsolas,&nbsp;<strong>relojes y pulseras inteligentes<\/strong>, altavoces y equipos de m\u00fasica, despertadores, electrodom\u00e9sticos como lavadoras, neveras u hornos, y qu\u00e9 decir de aparatos como los&nbsp;<strong>robots aspiradores<\/strong>, c\u00e1maras inal\u00e1mbricas e incluso bombillas y sistemas de iluminaci\u00f3n para interiores y exteriores.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blogthinkbig.com\/wp-content\/uploads\/sites\/4\/2020\/10\/computer-wifi-smartphone.jpg?w=610\" alt=\"\" class=\"wp-image-188774\" \/><\/figure>\n\n\n\n<p>Y qu\u00e9 decir de los&nbsp;<strong>altavoces inteligentes<\/strong>, que hacen las veces de aparatos de radio, asistentes personales y mucho m\u00e1s. Pero la lista de dispositivos, aparatos y \u00fatiles con WiFi no para de crecer hasta&nbsp;<strong>l\u00edmites inimaginables<\/strong>.<\/p>\n\n\n\n<p>Por ejemplo, desde hace a\u00f1os, una popular marca de jarras de agua con filtros tiene versiones con WiFi integrado. Tambi\u00e9n hay tostadoras con WiFi, cafeteras autom\u00e1ticas con WiFi y qu\u00e9 decir de las&nbsp;<strong>b\u00e1sculas y cepillos de dientes el\u00e9ctricos<\/strong>&nbsp;con conexi\u00f3n inal\u00e1mbrica que transmiten tus datos a tu tel\u00e9fono a trav\u00e9s de una app.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"records-de-velocidad\">R\u00e9cords de velocidad<\/h2>\n\n\n\n<p>Dentro de las curiosidades del WiFi, hemos hablado de sus distintos nombres. Para el usuario medio, el WiFi siempre ha sido el WiFi, pero a nivel interno, esta tecnolog\u00eda ha ido mejorando con los a\u00f1os. Para empezar, el ancho de banda empleado por la se\u00f1al WiFi ha sido&nbsp;<strong>2\u20194 GHz<\/strong>&nbsp;hasta la llegada de las versiones m\u00e1s recientes, que emplean&nbsp;<strong>5 GHz<\/strong>. <\/p>\n\n\n\n<p>La primera versi\u00f3n de WiFi alcanzaba los&nbsp;<strong>11 Mbit\/s<\/strong>, aumentando hasta los&nbsp;<strong>54 Mbit\/s<\/strong>&nbsp;(IEEE 802.11g) y&nbsp;<strong>300 Mbit\/s<\/strong>&nbsp;(IEEE 802.11n). Con el salto de ancho de banda, las tecnolog\u00edas WiFi m\u00e1s recientes han subido el list\u00f3n.&nbsp;<strong>WiFi 5<\/strong>&nbsp;(IEEE 802.11ac) alcanza velocidades de entre&nbsp;<strong>800 Mbps<\/strong>&nbsp;y&nbsp;<strong>1\u201973 Gbps<\/strong>. Por su parte,&nbsp;<strong>WiFi 6<\/strong>&nbsp;(IEEE 802.11ax) llega a los&nbsp;<strong>2\u20194 Gbps<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"una-familia-de-tecnologias\">Una familia de tecnolog\u00edas<\/h2>\n\n\n\n<p>Aunque la tecnolog\u00eda WiFi es la m\u00e1s popular, en su&nbsp;<strong>\u00e1rbol geneal\u00f3gico<\/strong>&nbsp;encontramos otras tecnolog\u00edas inal\u00e1mbricas que tambi\u00e9n encontramos en multitud de dispositivos. Dos de ellas son&nbsp;<strong>Bluetooth<\/strong>&nbsp;y&nbsp;<strong>ZigBee<\/strong>.<\/p>\n\n\n\n<p>Ahora que ya sabemos qu\u00e9 significa WiFi, lo que conocemos como\u00a0<strong>Bluetooth<\/strong>\u00a0recibe el nombre t\u00e9cnico o est\u00e1ndar\u00a0<strong>IEEE 802.15.1<\/strong>. Similar al WiFi, su alcance y velocidad de transmisi\u00f3n de datos son menores, por lo que resulta una buena alternativa para conectar\u00a0<strong>perif\u00e9ricos o dispositivos sin cables<\/strong>\u00a0a corta distancia. Curiosamente, tanto WiFi como Bluetooth emplean el ancho de banda de 2\u20194 GHz.<\/p>\n\n\n\n<p>Encontramos el&nbsp;<strong>Bluetooth<\/strong>&nbsp;en multitud de perif\u00e9ricos como altavoces, auriculares, ratones y trackpads, teclados, etc.<\/p>\n\n\n\n<p>Por su parte,&nbsp;<strong>ZigBee<\/strong>&nbsp;pertenece tambi\u00e9n al \u00e1rbol familiar de WiFi. Su est\u00e1ndar es el&nbsp;<strong>IEEE 802.15.4<\/strong>&nbsp;y tambi\u00e9n aprovecha el ancho de banda de 2\u20194 GHz. Aunque no es tan popular como el est\u00e1ndar Bluetooth, poco a poco ha sabido introducirse en&nbsp;<strong>dispositivos de dom\u00f3tica<\/strong>&nbsp;como sensores, bombillas y enchufes inteligentes, controladores inal\u00e1mbricos\u2026<\/p>\n","protected":false},"excerpt":{"rendered":"<p>En la actualidad,&nbsp;conectarte a Internet&nbsp;es pr\u00e1cticamente sin\u00f3nimo de hacerlo a un punto WiFi, con permiso de la conectividad m\u00f3vil. El WiFi ha sido el responsable de que Internet est\u00e9 disponible&nbsp;m\u00e1s all\u00e1 de un mero cable [&hellip;]<\/p>\n","protected":false},"author":48,"featured_media":226,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[113,52,49,32,51],"area":[],"cluster":[29],"linea_editorial":[9],"coauthors":[],"class_list":["post-2608","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sin-categoria","tag-bluetooth","tag-conexion-a-internet","tag-conexiones-inalambricas","tag-destacado","tag-wifi","cluster-router","linea_editorial-movistar"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.5 (Yoast SEO v25.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qu\u00e9 significa WiFi: curiosidades para conocer de la conexi\u00f3n inal\u00e1mbrica<\/title>\n<meta name=\"description\" content=\"Esta conexi\u00f3n inal\u00e1mbrica ha permitido conectar millones de dispositivos entre s\u00ed y popularizar el acceso a Internet. Veamos algunas curiosidades del WiFi.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.movistar.es\/blog\/router\/que-significa-wifi\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Curiosidades y an\u00e9cdotas sobre el WiFi: m\u00e1s all\u00e1 de la conexi\u00f3n inmediata\" \/>\n<meta property=\"og:description\" content=\"Esta conexi\u00f3n inal\u00e1mbrica ha permitido conectar millones de dispositivos entre s\u00ed y popularizar el acceso a Internet. 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