{"id":4214,"date":"2026-01-19T15:57:28","date_gmt":"2026-01-19T07:57:28","guid":{"rendered":"https:\/\/rfid-pro.com\/?p=4214"},"modified":"2026-01-21T10:52:27","modified_gmt":"2026-01-21T02:52:27","slug":"iso-standards-for-rfid-chips-iso-11784-iso-14443-iso-18000-explained","status":"publish","type":"post","link":"https:\/\/rfid-pro.com\/pt\/iso-standards-for-rfid-chips-iso-11784-iso-14443-iso-18000-explained\/","title":{"rendered":"Normas ISO para chips RFID: Explica\u00e7\u00e3o das normas ISO 11784, ISO 14443 e ISO 18000"},"content":{"rendered":"<p data-start=\"212\" data-end=\"522\">Os sistemas RFID baseiam-se em normas internacionais para garantir a interoperabilidade entre chips, etiquetas, leitores e plataformas de software. Entre as muitas normas relacionadas com a RFID publicadas pela ISO, tr\u00eas fam\u00edlias s\u00e3o mais frequentemente encontradas em projectos pr\u00e1ticos de engenharia: <strong data-start=\"474\" data-end=\"487\">ISO 11784<\/strong>, <strong data-start=\"489\" data-end=\"502\">ISO 14443<\/strong>, e <strong data-start=\"508\" data-end=\"521\">ISO 18000<\/strong>.<\/p>\n<p data-start=\"524\" data-end=\"818\">Embora os tr\u00eas definam a comunica\u00e7\u00e3o RFID, servem objectivos fundamentalmente diferentes, operam em diferentes <a href=\"https:\/\/rfid-pro.com\/pt\/rfid-chip-frequencies-explained-lf-vs-hf-vs-uhf\/\">frequ\u00eancias<\/a>, e foram concebidas para dom\u00ednios de aplica\u00e7\u00e3o distintos. Este artigo explica o que cada norma abrange, como diferem a n\u00edvel t\u00e9cnico e quando cada uma deve ser utilizada.<\/p>\n<h2 data-start=\"825\" data-end=\"871\">Porque \u00e9 que as normas ISO s\u00e3o importantes nos sistemas RFID<\/h2>\n<p data-start=\"873\" data-end=\"1004\">Um <a href=\"https:\/\/rfid-pro.com\/pt\/rfid-technologies\/rfid-chips\/\">Chip RFID<\/a> s\u00f3 tem valor se puder comunicar de forma fi\u00e1vel com leitores de diferentes fabricantes. As normas ISO definem:<\/p>\n<ul>\n<li data-start=\"1008\" data-end=\"1027\">Frequ\u00eancia de funcionamento<\/li>\n<li data-start=\"1030\" data-end=\"1061\">M\u00e9todos de modula\u00e7\u00e3o e codifica\u00e7\u00e3o<\/li>\n<li data-start=\"1064\" data-end=\"1096\">Estrutura de dados e disposi\u00e7\u00e3o da mem\u00f3ria<\/li>\n<li data-start=\"1099\" data-end=\"1122\">Comportamento anti-colis\u00e3o<\/li>\n<li data-start=\"1125\" data-end=\"1160\">Conjuntos de comandos e restri\u00e7\u00f5es de tempo<\/li>\n<\/ul>\n<p data-start=\"1162\" data-end=\"1312\">A conformidade com uma norma ISO garante que os componentes RFID podem funcionar num ecossistema mais vasto, em vez de ficarem presos a sistemas propriet\u00e1rios.<\/p>\n<h2 data-start=\"1319\" data-end=\"1380\">ISO 11784 \/ ISO 11785 - Normas de identifica\u00e7\u00e3o animal<\/h2>\n<h3 data-start=\"1382\" data-end=\"1403\">\u00c2mbito e objetivo<\/h3>\n<p data-start=\"1405\" data-end=\"1517\">A ISO 11784 e a ISO 11785 formam uma norma emparelhada especificamente concebida para <strong data-start=\"1478\" data-end=\"1516\">identifica\u00e7\u00e3o de animais Sistemas RFID<\/strong>.<\/p>\n<ul>\n<li data-start=\"1521\" data-end=\"1605\"><strong data-start=\"1521\" data-end=\"1534\">ISO 11784<\/strong>: Define a estrutura do c\u00f3digo de identifica\u00e7\u00e3o armazenado na pastilha<\/li>\n<li data-start=\"1608\" data-end=\"1699\"><strong data-start=\"1608\" data-end=\"1621\">ISO 11785<\/strong>: Define a interface a\u00e9rea, o protocolo de comunica\u00e7\u00e3o e o m\u00e9todo de transmiss\u00e3o<\/li>\n<\/ul>\n<p data-start=\"1701\" data-end=\"1834\">Estas normas n\u00e3o s\u00e3o especifica\u00e7\u00f5es RFID de car\u00e1cter geral. Centram-se estritamente na identifica\u00e7\u00e3o permanente e ao longo da vida dos animais.<\/p>\n<h3 data-start=\"1836\" data-end=\"1865\">Carater\u00edsticas de funcionamento<\/h3>\n<ul>\n<li data-start=\"1869\" data-end=\"1898\">Frequ\u00eancia: <strong data-start=\"1880\" data-end=\"1898\">134,2 kHz (LF)<\/strong><\/li>\n<li data-start=\"1901\" data-end=\"1935\">Fonte de alimenta\u00e7\u00e3o: Passiva (sem bateria)<\/li>\n<li data-start=\"1938\" data-end=\"1997\">Tipo de chip t\u00edpico: Microchip implant\u00e1vel encapsulado em vidro<\/li>\n<li data-start=\"2000\" data-end=\"2046\">Dist\u00e2ncia de leitura: Curto alcance (alguns cent\u00edmetros)<\/li>\n<\/ul>\n<h3 data-start=\"2048\" data-end=\"2074\">Protocolos de transmiss\u00e3o<\/h3>\n<p data-start=\"2076\" data-end=\"2118\">A norma ISO 11785 suporta dois modos de transmiss\u00e3o:<\/p>\n<ul>\n<li data-start=\"2122\" data-end=\"2147\"><strong data-start=\"2122\" data-end=\"2145\">FDX-B (Full Duplex)<\/strong><\/li>\n<li data-start=\"2150\" data-end=\"2173\"><strong data-start=\"2150\" data-end=\"2171\">HDX (Half Duplex)<\/strong><\/li>\n<\/ul>\n<p data-start=\"2175\" data-end=\"2293\">O FDX-B \u00e9 o mais amplamente adotado e \u00e9 o \u00fanico protocolo aceite pelo ICAR para os sistemas oficiais de identifica\u00e7\u00e3o animal.<\/p>\n<p data-start=\"2175\" data-end=\"2293\">Saiba mais: <a href=\"https:\/\/rfid-pro.com\/pt\/fdx-b-vs-hdx-which-animal-rfid-tags-should-you-choose\/\">FDX-B vs. HDX<\/a><\/p>\n<h3 data-start=\"2295\" data-end=\"2309\">Modelo de dados<\/h3>\n<ul>\n<li data-start=\"2313\" data-end=\"2333\">C\u00f3digo de identifica\u00e7\u00e3o de comprimento fixo<\/li>\n<li data-start=\"2336\" data-end=\"2380\">C\u00f3digo do pa\u00eds + c\u00f3digo nacional ou do fabricante<\/li>\n<li data-start=\"2383\" data-end=\"2418\">N\u00famero \u00fanico de identifica\u00e7\u00e3o do animal<\/li>\n<li data-start=\"2421\" data-end=\"2449\">Sem armazenamento de dados din\u00e2micos do utilizador<\/li>\n<\/ul>\n<h3 data-start=\"2451\" data-end=\"2475\">Aplica\u00e7\u00f5es t\u00edpicas<\/h3>\n<ul>\n<li data-start=\"2479\" data-end=\"2519\">Microchips para animais de companhia (c\u00e3es, gatos)<\/li>\n<li data-start=\"2522\" data-end=\"2546\">Identifica\u00e7\u00e3o dos animais<\/li>\n<li data-start=\"2549\" data-end=\"2587\">Bases de dados nacionais de registo de animais<\/li>\n<li data-start=\"2590\" data-end=\"2623\">Sistemas veterin\u00e1rios e regulamentares<\/li>\n<\/ul>\n<p data-start=\"2625\" data-end=\"2755\">Os chips ISO 11784\/11785 s\u00e3o concebidos para serem <strong data-start=\"2666\" data-end=\"2679\">imut\u00e1vel<\/strong> uma vez implantado. A integridade e a perman\u00eancia dos dados s\u00e3o os principais objectivos da conce\u00e7\u00e3o.<\/p>\n<figure id=\"attachment_3608\" aria-describedby=\"caption-attachment-3608\" style=\"width: 780px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-3608 size-full\" src=\"https:\/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/Microchip-Bioglass-Tag-4.jpg\" alt=\"Microchips compat\u00edveis com a norma ISO com seringa\" width=\"780\" height=\"424\" srcset=\"\/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/Microchip-Bioglass-Tag-4.jpg 780w, \/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/Microchip-Bioglass-Tag-4-300x163.jpg 300w, \/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/Microchip-Bioglass-Tag-4-150x82.jpg 150w, \/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/Microchip-Bioglass-Tag-4-768x417.jpg 768w, \/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/Microchip-Bioglass-Tag-4-18x10.jpg 18w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/><figcaption id=\"caption-attachment-3608\" class=\"wp-caption-text\"><a href=\"https:\/\/rfid-pro.com\/pt\/product\/animal-syringe-bioglass-tags\/\">Microchips compat\u00edveis com a norma ISO com seringa<\/a><\/figcaption><\/figure>\n<h2 data-start=\"2762\" data-end=\"2810\">ISO 14443 - Cart\u00f5es de proximidade de alta frequ\u00eancia<\/h2>\n<h3 data-start=\"2812\" data-end=\"2833\">\u00c2mbito e objetivo<\/h3>\n<p data-start=\"2835\" data-end=\"3017\">A norma ISO 14443 define <strong data-start=\"2853\" data-end=\"2884\">cart\u00f5es de proximidade sem contacto<\/strong> que funciona a alta frequ\u00eancia. \u00c9 uma das normas RFID mais utilizadas a n\u00edvel mundial e constitui a base da tecnologia NFC.<\/p>\n<h3 data-start=\"3019\" data-end=\"3048\">Carater\u00edsticas de funcionamento<\/h3>\n<ul>\n<li data-start=\"3052\" data-end=\"3081\">Frequ\u00eancia: <strong data-start=\"3063\" data-end=\"3081\">13,56 MHz (HF)<\/strong><\/li>\n<li data-start=\"3084\" data-end=\"3126\">Alcance da comunica\u00e7\u00e3o: Tipicamente at\u00e9 10 cm<\/li>\n<li data-start=\"3129\" data-end=\"3167\">D\u00e9bito de dados: Elevado em compara\u00e7\u00e3o com os sistemas LF<\/li>\n<li data-start=\"3170\" data-end=\"3212\">Suporta anti-colis\u00e3o para v\u00e1rios cart\u00f5es<\/li>\n<\/ul>\n<h3 data-start=\"3214\" data-end=\"3236\">Estrutura standard<\/h3>\n<p data-start=\"3238\" data-end=\"3279\">A norma ISO 14443 est\u00e1 dividida em v\u00e1rias partes:<\/p>\n<ul>\n<li data-start=\"3283\" data-end=\"3315\">Parte 1: Carater\u00edsticas f\u00edsicas<\/li>\n<li data-start=\"3318\" data-end=\"3368\">Parte 2: Interface de pot\u00eancia e sinal de radiofrequ\u00eancia<\/li>\n<li data-start=\"3371\" data-end=\"3412\">Parte 3: Inicializa\u00e7\u00e3o e anti-colis\u00e3o<\/li>\n<li data-start=\"3415\" data-end=\"3474\">Parte 4: Protocolo de transmiss\u00e3o (comunica\u00e7\u00e3o ao n\u00edvel dos comandos)<\/li>\n<\/ul>\n<p data-start=\"3476\" data-end=\"3597\">Muitos chips avan\u00e7ados (MIFARE DESFire, NTAG, Ultralight) implementam a norma ISO 14443-4 para uma comunica\u00e7\u00e3o segura na camada de aplica\u00e7\u00e3o.<\/p>\n<h3 data-start=\"3599\" data-end=\"3629\">Dados e carater\u00edsticas de seguran\u00e7a<\/h3>\n<ul>\n<li data-start=\"3633\" data-end=\"3650\">Mem\u00f3ria de leitura\/escrita<\/li>\n<li data-start=\"3653\" data-end=\"3674\">Autentica\u00e7\u00e3o segura<\/li>\n<li data-start=\"3677\" data-end=\"3695\">Suporte de encripta\u00e7\u00e3o<\/li>\n<li data-start=\"3698\" data-end=\"3731\">Sistemas de ficheiros espec\u00edficos de aplica\u00e7\u00f5es<\/li>\n<\/ul>\n<h3 data-start=\"3733\" data-end=\"3757\">Aplica\u00e7\u00f5es t\u00edpicas<\/h3>\n<ul>\n<li data-start=\"3761\" data-end=\"3781\">Cart\u00f5es de controlo de acesso<\/li>\n<li data-start=\"3784\" data-end=\"3811\">Sistemas de pagamento sem contacto<\/li>\n<li data-start=\"3814\" data-end=\"3833\">Dispositivos compat\u00edveis com NFC<\/li>\n<li data-start=\"3836\" data-end=\"3858\">Bilhetes de transporte<\/li>\n<li data-start=\"3861\" data-end=\"3875\">Cart\u00f5es de identifica\u00e7\u00e3o inteligentes<\/li>\n<\/ul>\n<p data-start=\"3877\" data-end=\"4018\">Ao contr\u00e1rio dos chips ISO 11784, os chips ISO 14443 s\u00e3o concebidos para <strong data-start=\"3934\" data-end=\"3976\">intera\u00e7\u00e3o e interc\u00e2mbio de dados frequentes<\/strong>, muitas vezes com fortes requisitos de seguran\u00e7a.<\/p>\n<figure id=\"attachment_2952\" aria-describedby=\"caption-attachment-2952\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-2952\" src=\"https:\/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/NFC-Stickers-2.jpg\" alt=\"Autocolante NFC de 13,56 MHz\" width=\"750\" height=\"516\" srcset=\"\/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/NFC-Stickers-2.jpg 750w, \/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/NFC-Stickers-2-300x206.jpg 300w, \/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/NFC-Stickers-2-150x103.jpg 150w, \/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/NFC-Stickers-2-18x12.jpg 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-2952\" class=\"wp-caption-text\"><a href=\"https:\/\/rfid-pro.com\/pt\/product\/13-56mhz-nfc-sticker\/\">Autocolante NFC: ISO14443A<\/a><\/figcaption><\/figure>\n<h2 data-start=\"4025\" data-end=\"4071\">ISO 18000 - Normas de interface a\u00e9rea RFID<\/h2>\n<h3 data-start=\"4073\" data-end=\"4094\">\u00c2mbito e objetivo<\/h3>\n<p data-start=\"4096\" data-end=\"4294\">A ISO 18000 \u00e9 uma <strong data-start=\"4111\" data-end=\"4134\">fam\u00edlia de normas<\/strong> que definem as interfaces a\u00e9reas RFID em v\u00e1rias bandas de frequ\u00eancia. N\u00e3o se trata de um protocolo \u00fanico, mas de um quadro que abrange os sistemas RFID de LF, HF, UHF e micro-ondas.<\/p>\n<h3 data-start=\"4296\" data-end=\"4327\">Partes relevantes da ISO 18000<\/h3>\n<ul>\n<li data-start=\"4331\" data-end=\"4363\"><strong data-start=\"4331\" data-end=\"4346\">ISO 18000-2<\/strong>: Sistemas RFID LF<\/li>\n<li data-start=\"4366\" data-end=\"4398\"><strong data-start=\"4366\" data-end=\"4381\">ISO 18000-3<\/strong>: Sistemas RFID HF<\/li>\n<li data-start=\"4401\" data-end=\"4448\"><strong data-start=\"4401\" data-end=\"4416\">ISO 18000-6<\/strong>: Sistemas RFID UHF (amplamente utilizados)<\/li>\n<li data-start=\"4451\" data-end=\"4489\"><strong data-start=\"4451\" data-end=\"4466\">ISO 18000-7<\/strong>: RFID ativo (433 MHz)<\/li>\n<\/ul>\n<h3 data-start=\"4491\" data-end=\"4518\">ISO 18000-6C (EPC Gen2)<\/h3>\n<p data-start=\"4520\" data-end=\"4640\">A implementa\u00e7\u00e3o mais utilizada atualmente \u00e9 <strong data-start=\"4565\" data-end=\"4581\">ISO 18000-6C<\/strong>, que se alinha com <a href=\"https:\/\/rfid-pro.com\/pt\/what-is-epc-gen2-and-why-it-matters-for-uhf-rfid-chips\/\">EPCglobal Classe 1 Gen 2<\/a> especifica\u00e7\u00f5es.<\/p>\n<p data-start=\"4642\" data-end=\"4663\">As principais carater\u00edsticas incluem:<\/p>\n<ul>\n<li data-start=\"4667\" data-end=\"4699\">Frequ\u00eancia: <strong data-start=\"4678\" data-end=\"4699\">860\u2013960 MHz (UHF)<\/strong><\/li>\n<li data-start=\"4702\" data-end=\"4734\">Longo alcance de leitura (v\u00e1rios metros)<\/li>\n<li data-start=\"4737\" data-end=\"4782\">Anti-colis\u00e3o r\u00e1pida para grandes popula\u00e7\u00f5es de etiquetas<\/li>\n<li data-start=\"4785\" data-end=\"4815\">Leitura\/escrita de EPC e mem\u00f3ria do utilizador<\/li>\n<li data-start=\"4818\" data-end=\"4844\">Elementos de seguran\u00e7a opcionais<\/li>\n<\/ul>\n<h3 data-start=\"4846\" data-end=\"4870\">Aplica\u00e7\u00f5es t\u00edpicas<\/h3>\n<ul>\n<li data-start=\"4874\" data-end=\"4900\">Cadeia de abastecimento e log\u00edstica<\/li>\n<li data-start=\"4903\" data-end=\"4923\">Gest\u00e3o de armaz\u00e9ns<\/li>\n<li data-start=\"4926\" data-end=\"4940\">Rastreio de activos<\/li>\n<li data-start=\"4943\" data-end=\"4959\">Invent\u00e1rio de retalho<\/li>\n<li data-start=\"4962\" data-end=\"4983\">Automa\u00e7\u00e3o industrial<\/li>\n<\/ul>\n<p data-start=\"4985\" data-end=\"5107\">Os sistemas ISO 18000 s\u00e3o optimizados para <strong data-start=\"5021\" data-end=\"5063\">identifica\u00e7\u00e3o de alta velocidade e de grande volume<\/strong>, e n\u00e3o a garantia de identidade individual.<\/p>\n<figure id=\"attachment_3991\" aria-describedby=\"caption-attachment-3991\" style=\"width: 780px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-3991 size-full\" src=\"https:\/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/Silicone-Laundry-Tags-1.jpg\" alt=\"Protocolo de etiquetas de silicone para roupa suja: ISO18000-6c\" width=\"780\" height=\"874\" srcset=\"\/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/Silicone-Laundry-Tags-1.jpg 780w, \/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/Silicone-Laundry-Tags-1-268x300.jpg 268w, \/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/Silicone-Laundry-Tags-1-134x150.jpg 134w, \/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/Silicone-Laundry-Tags-1-768x861.jpg 768w, \/\/rfid-pro.com\/wp-content\/uploads\/2025\/12\/Silicone-Laundry-Tags-1-11x12.jpg 11w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/><figcaption id=\"caption-attachment-3991\" class=\"wp-caption-text\"><a href=\"https:\/\/rfid-pro.com\/pt\/product\/uhf-silicone-laundry-tag\/\">Protocolo de etiquetas de silicone para roupa suja: ISO18000-6c<\/a><\/figcaption><\/figure>\n<h2 data-start=\"5114\" data-end=\"5149\">Compara\u00e7\u00e3o das tr\u00eas normas<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"5151\" data-end=\"5465\">\n<thead data-start=\"5151\" data-end=\"5210\">\n<tr data-start=\"5151\" data-end=\"5210\">\n<th data-start=\"5151\" data-end=\"5162\" data-col-size=\"sm\">Padr\u00e3o<\/th>\n<th data-start=\"5162\" data-end=\"5174\" data-col-size=\"sm\">Frequ\u00eancia<\/th>\n<th data-start=\"5174\" data-end=\"5190\" data-col-size=\"sm\">Intervalo t\u00edpico<\/th>\n<th data-start=\"5190\" data-end=\"5210\" data-col-size=\"sm\">Caso de utiliza\u00e7\u00e3o principal<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"5266\" data-end=\"5465\">\n<tr data-start=\"5266\" data-end=\"5334\">\n<td data-start=\"5266\" data-end=\"5284\" data-col-size=\"sm\">ISO 11784\/11785<\/td>\n<td data-start=\"5284\" data-end=\"5296\" data-col-size=\"sm\">134,2 kHz<\/td>\n<td data-start=\"5296\" data-end=\"5309\" data-col-size=\"sm\">Muito curto<\/td>\n<td data-start=\"5309\" data-end=\"5334\" data-col-size=\"sm\">Identifica\u00e7\u00e3o dos animais<\/td>\n<\/tr>\n<tr data-start=\"5335\" data-end=\"5393\">\n<td data-start=\"5335\" data-end=\"5347\" data-col-size=\"sm\">ISO 14443<\/td>\n<td data-start=\"5347\" data-end=\"5359\" data-col-size=\"sm\">13,56 MHz<\/td>\n<td data-start=\"5359\" data-end=\"5367\" data-col-size=\"sm\">Curto<\/td>\n<td data-start=\"5367\" data-end=\"5393\" data-col-size=\"sm\">Cart\u00f5es de proximidade seguros<\/td>\n<\/tr>\n<tr data-start=\"5394\" data-end=\"5465\">\n<td data-start=\"5394\" data-end=\"5409\" data-col-size=\"sm\">ISO 18000-6C<\/td>\n<td data-col-size=\"sm\" data-start=\"5409\" data-end=\"5423\">860\u2013960 MHz<\/td>\n<td data-col-size=\"sm\" data-start=\"5423\" data-end=\"5430\">Longo<\/td>\n<td data-col-size=\"sm\" data-start=\"5430\" data-end=\"5465\">Identifica\u00e7\u00e3o de massas e log\u00edstica<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"5467\" data-end=\"5523\">Cada norma reflecte diferentes prioridades de engenharia:<\/p>\n<ul>\n<li data-start=\"5527\" data-end=\"5574\">A ISO 11784 d\u00e1 prioridade a <strong data-start=\"5549\" data-end=\"5574\">perman\u00eancia e seguran\u00e7a<\/strong><\/li>\n<li data-start=\"5577\" data-end=\"5627\">A ISO 14443 d\u00e1 prioridade a <strong data-start=\"5599\" data-end=\"5627\">seguran\u00e7a e intera\u00e7\u00e3o<\/strong><\/li>\n<li data-start=\"5630\" data-end=\"5671\">A ISO 18000 d\u00e1 prioridade a <strong data-start=\"5652\" data-end=\"5671\">escala e velocidade<\/strong><\/li>\n<\/ul>\n<h2 data-start=\"5678\" data-end=\"5716\">Sele\u00e7\u00e3o da norma ISO correta<\/h2>\n<p data-start=\"5718\" data-end=\"5785\">A escolha da norma correta depende dos requisitos ao n\u00edvel do sistema:<\/p>\n<ul>\n<li data-start=\"5789\" data-end=\"5860\">Se o identificador tiver de durar toda a vida sem ser modificado \u2192 ISO 11784<\/li>\n<li data-start=\"5863\" data-end=\"5913\">Se for necess\u00e1ria uma intera\u00e7\u00e3o segura com o utilizador \u2192 ISO 14443<\/li>\n<li data-start=\"5916\" data-end=\"5977\">Se milhares de itens tiverem de ser lidos simultaneamente \u2192 ISO 18000<\/li>\n<\/ul>\n<p data-start=\"5979\" data-end=\"6111\">A tentativa de utilizar a norma errada resulta frequentemente num fraco desempenho, na n\u00e3o conformidade regulamentar ou na complexidade desnecess\u00e1ria do sistema.<\/p>\n<h2 data-start=\"6118\" data-end=\"6134\">Conclus\u00e3o<\/h2>\n<p data-start=\"6136\" data-end=\"6282\">As normas ISO 11784, ISO 14443 e ISO 18000 abordam problemas de RFID fundamentalmente diferentes. N\u00e3o s\u00e3o intersubstitu\u00edveis, nem s\u00e3o normas concorrentes.<\/p>\n<p data-start=\"6284\" data-end=\"6502\">Compreender o que cada especifica\u00e7\u00e3o ISO foi concebida para resolver permite aos engenheiros, integradores de sistemas e decisores conceber sistemas RFID interoper\u00e1veis, conformes e tecnicamente s\u00f3lidos desde o in\u00edcio.<\/p>\n<p data-start=\"6504\" data-end=\"6670\">A conformidade com as normas n\u00e3o \u00e9 um r\u00f3tulo de marketing - \u00e9 a base que determina se um sistema RFID ir\u00e1 funcionar de forma fi\u00e1vel ao longo dos anos ou se ir\u00e1 falhar durante a implementa\u00e7\u00e3o.<\/p>","protected":false},"excerpt":{"rendered":"<p>Os sistemas RFID baseiam-se em normas internacionais para garantir a interoperabilidade entre chips, etiquetas, leitores e plataformas de software. Entre as muitas normas relacionadas com a RFID publicadas pela ISO, tr\u00eas fam\u00edlias s\u00e3o mais frequentemente encontradas em projectos pr\u00e1ticos de engenharia: ISO 11784, ISO 14443 e ISO 18000. Embora as tr\u00eas definam a comunica\u00e7\u00e3o RFID, servem objectivos fundamentalmente diferentes, funcionam com diferentes [...]<\/p>","protected":false},"author":1,"featured_media":4215,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"full-width-container","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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[268],"tags":[],"class_list":["post-4214","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rfid-technologies"],"acf":[],"_links":{"self":[{"href":"https:\/\/rfid-pro.com\/pt\/wp-json\/wp\/v2\/posts\/4214","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rfid-pro.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rfid-pro.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rfid-pro.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rfid-pro.com\/pt\/wp-json\/wp\/v2\/comments?post=4214"}],"version-history":[{"count":0,"href":"https:\/\/rfid-pro.com\/pt\/wp-json\/wp\/v2\/posts\/4214\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rfid-pro.com\/pt\/wp-json\/wp\/v2\/media\/4215"}],"wp:attachment":[{"href":"https:\/\/rfid-pro.com\/pt\/wp-json\/wp\/v2\/media?parent=4214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rfid-pro.com\/pt\/wp-json\/wp\/v2\/categories?post=4214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rfid-pro.com\/pt\/wp-json\/wp\/v2\/tags?post=4214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}