{"id":1344,"date":"2020-07-29T19:07:35","date_gmt":"2020-07-29T22:07:35","guid":{"rendered":"https:\/\/foxiot.siteup.dev\/?p=1344"},"modified":"2023-05-03T18:17:35","modified_gmt":"2023-05-03T21:17:35","slug":"redes-de-comunicacao-sem-fio","status":"publish","type":"post","link":"https:\/\/foxiot.siteup.dev\/en\/redes-de-comunicacao-sem-fio\/","title":{"rendered":"Redes de Comunica\u00e7\u00e3o sem Fio"},"content":{"rendered":"<p id=\"viewer-foo\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">Com o crescente uso de dispositivos m\u00f3veis e os benef\u00edcios que eles proporcionam, a comunica\u00e7\u00e3o sem fio tornou-se indispens\u00e1vel. A demanda por informa\u00e7\u00f5es em tempo real \u00e9 um dos fatores que vem impulsionando o mercado e o desenvolvimento destas novas tecnologias de comunica\u00e7\u00e3o sem fio. Atualmente, este formato de comunica\u00e7\u00e3o est\u00e1 presente em diferentes \u00e1reas da tecnologia, como nas redes celulares, no acesso \u00e0 internet e tamb\u00e9m em companhias onde ela pode agregar maior capacidade de monitoramento para a gest\u00e3o, mobilidade e agilidade operacional, bem como redu\u00e7\u00e3o de custos e riscos.<\/span><\/p>\n<div data-hook=\"rcv-block1\"><\/div>\n<p id=\"viewer-er2um\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">Neste artigo, ser\u00e3o abordados os principais pontos das redes de comunica\u00e7\u00e3o sem fio para envio de dados, monitoramento de sensores ou dispositivos, al\u00e9m de vantagens e desvantagens de cada aplica\u00e7\u00e3o.<\/span><\/p>\n<div data-hook=\"rcv-block2\"><\/div>\n<div id=\"viewer-a2pch\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/div>\n<div data-hook=\"rcv-block3\"><\/div>\n<div id=\"viewer-fq1k6\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/div>\n<div data-hook=\"rcv-block4\"><\/div>\n<h2 id=\"viewer-ov57\" class=\"eSWI6 _1j-51 _1FoOD _1oG79 VrUyH9 WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\"><strong>Rede de Celular <\/strong><\/span><\/h2>\n<div data-hook=\"rcv-block5\"><\/div>\n<h2 id=\"viewer-aj4m0\" class=\"eSWI6 _1j-51 _1FoOD _1oG79 VrUyH9 WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/h2>\n<div data-hook=\"rcv-block6\"><\/div>\n<p id=\"viewer-4m8mr\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">S\u00e3o operadas por companhias que det\u00e9m a infraestrutura de rede e a frequ\u00eancia utilizada \u00e9 em bandas licenciadas (exclusivas para este tipo de comunica\u00e7\u00e3o). Com frequ\u00eancias superiores a 900 Mhz e uma enorme cobertura em \u00e1reas habitadas, este meio de comunica\u00e7\u00e3o pode ser um dos mais atrativos quando se pensa em monitoramento remoto. Entretanto, como nos Smart Phones, utilizar esta tecnologia necessita de planos de dados em cada dispositivo instalado, tornando a escalabilidade custosa.<\/span><\/p>\n<div data-hook=\"rcv-block7\"><\/div>\n<div id=\"viewer-din11\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/div>\n<div data-hook=\"rcv-block8\"><\/div>\n<div id=\"viewer-3ngnk\" class=\"_2vd5k iG0hRj\">\n<div class=\"_3CWa- N9BmOG N9BmOG\">\n<div class=\"_2kEVY\" tabindex=\"0\" role=\"button\" data-hook=\"imageViewer\">\n<div id=\"new-image456861\" class=\"_3WJnn _2i-Gt _2Ybje\"><img decoding=\"async\" src=\"https:\/\/foxiot.siteup.dev\/wp-content\/uploads\/2023\/05\/4cf471_f6733dca720a4dd7bda7cc5df1550b5cmv2.jpg\" alt=\"\" data-pin-url=\"https:\/\/filipe478.wixsite.com\/foxiot\/post\/redes-de-comunica\u00e7\u00e3o-sem-fio\" data-pin-media=\"https:\/\/static.wixstatic.com\/media\/4cf471_f6733dca720a4dd7bda7cc5df1550b5c~mv2.jpg\/v1\/fill\/w_614,h_614,al_c,lg_1,q_85\/4cf471_f6733dca720a4dd7bda7cc5df1550b5c~mv2.jpg\" data-load-done=\"\" \/><\/div>\n<div class=\"\"><\/div>\n<div class=\"\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div data-hook=\"rcv-block9\"><\/div>\n<div id=\"viewer-2d5at\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _3M0Fe T3Ond1 WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/div>\n<div data-hook=\"rcv-block10\"><\/div>\n<h2 id=\"viewer-cemif\" class=\"eSWI6 _1j-51 _1FoOD _1oG79 VrUyH9 WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\"><strong>Redes Mesh<\/strong><\/span><\/h2>\n<div data-hook=\"rcv-block11\"><\/div>\n<div id=\"viewer-p9tc\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/div>\n<div data-hook=\"rcv-block12\"><\/div>\n<p id=\"viewer-at7i7\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">Tamb\u00e9m chamada de rede de malha, \u00e9 um meio de comunica\u00e7\u00e3o no qual os dispositivos enviam as informa\u00e7\u00f5es uns para os outros de forma pouco organizada. Cada dispositivo pode receber dados de outros e repass\u00e1-los ao pr\u00f3ximo, at\u00e9 este dado chegar ao coordenador que enviar\u00e1 \u00e0 aplica\u00e7\u00e3o, muitas vezes na internet. Um dos padr\u00f5es mais adotados para estas redes \u00e9 o IEEE 802.15.4, que define as camadas mais b\u00e1sicas da comunica\u00e7\u00e3o (PHY e MAC). Existem diversos protocolos que operam sob esta din\u00e2mica de envio de dados, geralmente operando em bandas n\u00e3o licenciadas, como 2,4GHz e 915MHz no Brasil. <\/span><\/p>\n<div data-hook=\"rcv-block13\"><\/div>\n<p id=\"viewer-2au32\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">Como este tipo de rede depende de um grande n\u00famero de dispositivos conectados pr\u00f3ximos uns dos outros, algumas aplica\u00e7\u00f5es podem ser prejudicas e outros tipos de comunica\u00e7\u00e3o sem fio podem ser usadas. <\/span><\/p>\n<div data-hook=\"rcv-block14\"><\/div>\n<div id=\"viewer-1q9nj\" class=\"_2vd5k iG0hRj\">\n<div class=\"_3CWa- N9BmOG N9BmOG\">\n<div class=\"_2kEVY\" tabindex=\"0\" role=\"button\" data-hook=\"imageViewer\">\n<div id=\"new-image456862\" class=\"_3WJnn _2i-Gt _2Ybje\"><img decoding=\"async\" src=\"https:\/\/foxiot.siteup.dev\/wp-content\/uploads\/2023\/05\/4cf471_694e08157ae64316ac2445e5ace9f61emv2.jpg\" alt=\"\" data-pin-url=\"https:\/\/filipe478.wixsite.com\/foxiot\/post\/redes-de-comunica\u00e7\u00e3o-sem-fio\" data-pin-media=\"https:\/\/static.wixstatic.com\/media\/4cf471_694e08157ae64316ac2445e5ace9f61e~mv2.jpg\/v1\/fill\/w_1200,h_800,al_c,q_85\/4cf471_694e08157ae64316ac2445e5ace9f61e~mv2.jpg\" data-load-done=\"\" \/><\/div>\n<div class=\"\"><\/div>\n<div class=\"\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div data-hook=\"rcv-block15\"><\/div>\n<div id=\"viewer-a9ij3\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _3M0Fe T3Ond1 WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/div>\n<div data-hook=\"rcv-block16\"><\/div>\n<p id=\"viewer-4q53i\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\"><strong>Wi-SUN<\/strong><\/span><\/p>\n<div data-hook=\"rcv-block17\"><\/div>\n<div id=\"viewer-da2mk\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/div>\n<div data-hook=\"rcv-block18\"><\/div>\n<p id=\"viewer-ai100\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">O Wi-SUN \u00e9 um padr\u00e3o de comunica\u00e7\u00e3o mesh, elaborado para permitir interconex\u00f5es entre dispositivos produzidos por diferentes fabricantes. Foi criado como uma extens\u00e3o do padr\u00e3o IEEE 802.15.4 e para ser usada em Utilities e Smart Cities, mas pode ser usado em diversas \u00e1reas. O padr\u00e3o Wi-SUN opera em bandas de frequ\u00eancia ISM, no Brasil pode operar em 915MHz e 2,4GHz. <\/span><\/p>\n<div data-hook=\"rcv-block19\"><\/div>\n<div id=\"viewer-d3q8h\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _3M0Fe T3Ond1 WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/div>\n<div data-hook=\"rcv-block20\"><\/div>\n<div id=\"viewer-8meia\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/div>\n<div data-hook=\"rcv-block21\"><\/div>\n<h3 id=\"viewer-493ld\" class=\"_3qMKZ _1j-51 _1FoOD _1oG79 VrUyH9 WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\"><strong>LPWAN<\/strong><\/span><\/h3>\n<div data-hook=\"rcv-block22\"><\/div>\n<div id=\"viewer-b9iua\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/div>\n<div data-hook=\"rcv-block23\"><\/div>\n<p id=\"viewer-6121c\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">A redes LPWAN (Low Power Wide Area Network) s\u00e3o frequentemente utilizadas em IoT (Internet of Things, ou Internet das Coisas) quando h\u00e1 necessidade de enviar dados em dist\u00e2ncias relativamente longas e que n\u00e3o necessitem de lat\u00eancia baixa. Devido suas caracter\u00edsticas, o consumo de energia \u00e9 muito baixo, podendo ter dispositivos alimentados por bateria com at\u00e9 10 anos de dura\u00e7\u00e3o. <\/span><\/p>\n<div data-hook=\"rcv-block24\"><\/div>\n<div id=\"viewer-965fv\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _3M0Fe T3Ond1 WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/div>\n<div data-hook=\"rcv-block25\"><\/div>\n<div id=\"viewer-a2t7s\" class=\"_2vd5k iG0hRj\">\n<div class=\"_3CWa- N9BmOG N9BmOG\">\n<div class=\"_2kEVY\" tabindex=\"0\" role=\"button\" data-hook=\"imageViewer\">\n<div id=\"new-image456863\" class=\"_3WJnn _2i-Gt _2Ybje\"><img decoding=\"async\" src=\"https:\/\/foxiot.siteup.dev\/wp-content\/uploads\/2023\/05\/4cf471_79856031af7d4c1fb75a98d5ae6c6162mv2.jpg\" alt=\"\" data-pin-url=\"https:\/\/filipe478.wixsite.com\/foxiot\/post\/redes-de-comunica\u00e7\u00e3o-sem-fio\" data-pin-media=\"https:\/\/static.wixstatic.com\/media\/4cf471_79856031af7d4c1fb75a98d5ae6c6162~mv2.jpg\/v1\/fill\/w_1600,h_897,al_c,q_85\/4cf471_79856031af7d4c1fb75a98d5ae6c6162~mv2.jpg\" data-load-done=\"\" \/><\/div>\n<div class=\"\"><\/div>\n<div class=\"\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div data-hook=\"rcv-block26\"><\/div>\n<div id=\"viewer-827v3\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _3M0Fe T3Ond1 WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/div>\n<div data-hook=\"rcv-block27\"><\/div>\n<p id=\"viewer-1km74\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\"><strong>LoRa<\/strong><\/span><\/p>\n<div data-hook=\"rcv-block28\"><\/div>\n<div id=\"viewer-8aea6\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/div>\n<div data-hook=\"rcv-block29\"><\/div>\n<p id=\"viewer-78vdn\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00c9 uma tecnologia de rede para comunica\u00e7\u00e3o em longas dist\u00e2ncias com baixo consumo de energia. Usa modula\u00e7\u00e3o CSS (Chirp Spread Spectrum), o que facilita a recep\u00e7\u00e3o de sinal mesmo em ambientes ruidosos. Para padroniza\u00e7\u00e3o, o protocolo LoRaWAN foi criado, a fim de elaborar um meio interoper\u00e1vel entre redes, dispositivos e fabricantes. <\/span><\/p>\n<div data-hook=\"rcv-block30\"><\/div>\n<div data-hook=\"rcv-block31\"><\/div>\n<p id=\"viewer-fhsgl\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">A arquitetura de rede \u00e9 em estrela, desta forma todos os dispositivos enviam os dados para um Gateway (concentrador), que repassa os dados via conex\u00e3o IP para servidores locais ou na nuvem. Uma das grandes vantagens \u00e9 que pode ser usado para conex\u00e3o de milhares de dispositivos com um n\u00famero muito baixo de Gateways, o que torna muito baixo seu custo de implanta\u00e7\u00e3o. <\/span><\/p>\n<div data-hook=\"rcv-block32\"><\/div>\n<div id=\"viewer-cmjlr\" class=\"_2vd5k iG0hRj\">\n<div class=\"_3CWa- N9BmOG N9BmOG _3mymk\">\n<div class=\"_2kEVY\" tabindex=\"0\" role=\"button\" data-hook=\"imageViewer\">\n<div id=\"new-image456864\" class=\"_3WJnn _2i-Gt _2Ybje\"><img decoding=\"async\" src=\"https:\/\/foxiot.siteup.dev\/wp-content\/uploads\/2023\/05\/4cf471_b894c3ae29b148cebfdf3c2aab92c187mv2.png\" alt=\"\" data-pin-url=\"https:\/\/filipe478.wixsite.com\/foxiot\/post\/redes-de-comunica\u00e7\u00e3o-sem-fio\" data-pin-media=\"https:\/\/static.wixstatic.com\/media\/4cf471_b894c3ae29b148cebfdf3c2aab92c187~mv2.png\/v1\/fill\/w_1507,h_525,al_c,q_90\/4cf471_b894c3ae29b148cebfdf3c2aab92c187~mv2.png\" data-load-done=\"\" \/><\/div>\n<div class=\"\"><\/div>\n<div class=\"\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div data-hook=\"rcv-block33\"><\/div>\n<p id=\"viewer-cj0v3\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">O LoRaWAN opera sob a banda de frequ\u00eancia sub GHz, no Brasil em 915MHz, mas pode ter outras bandas em outros pa\u00edses. Cada Gateway pode cobrir uma \u00e1rea de 2km a 5km em regi\u00f5es urbanas e at\u00e9 15km para \u00e1reas rurais, sendo ent\u00e3o, uma excelente alternativa de rede de comunica\u00e7\u00e3o para ser usada em Utilities, Smart Grids e Smart Cities. <\/span><\/p>\n<div data-hook=\"rcv-block34\"><\/div>\n<div data-hook=\"rcv-block35\"><\/div>\n<div id=\"viewer-b2c6i\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/div>\n<div data-hook=\"rcv-block36\"><\/div>\n<div id=\"viewer-5s9if\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _78FBa qEvi6J WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">\u00a0<\/span><\/div>\n<div data-hook=\"rcv-block37\"><\/div>\n<p id=\"viewer-a4b9q\" class=\"mm8Nw _1j-51 WkT0MK _1FoOD _3M0Fe T3Ond1 WkT0MK public-DraftStyleDefault-block-depth0 fixed-tab-size public-DraftStyleDefault-text-ltr\"><span class=\"_2PHJq public-DraftStyleDefault-ltr\">Publicado por: Henrique Martins<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Com o crescente uso de dispositivos m\u00f3veis e os benef\u00edcios que eles proporcionam, a comunica\u00e7\u00e3o sem fio tornou-se indispens\u00e1vel&#8230;.<\/p>","protected":false},"author":21,"featured_media":1346,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Redes de Comunica\u00e7\u00e3o sem Fio | FOX<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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