{"id":51908,"date":"2024-09-09T06:24:38","date_gmt":"2024-09-09T04:24:38","guid":{"rendered":"https:\/\/www.techopedia.com\/es\/?post_type=definition&#038;p=51908"},"modified":"2024-09-09T12:42:28","modified_gmt":"2024-09-09T10:42:28","slug":"comunicacion-campo-cercano-nfc","status":"publish","type":"definition","link":"https:\/\/www.techopedia.com\/es\/definicion\/nfc","title":{"rendered":"Comunicaci\u00f3n de campo cercano (NFC)"},"content":{"rendered":"<div>\n    <section class=\"toc-sticky w-100 bg-white \">\n        <div class=\"toc-sticky__container container\">\n            <div class=\"toc-sticky__open d-flex align-items-end\" data-bs-toggle=\"collapse\"\n                 aria-controls=\"multiCollapse1\"\n                 data-bs-target=\"#multiCollapse1\">\n                <button\n                        class=\"btn btn-primary collapse-action-btn p-1 rounded-circle\"\n                        type=\"button\"\n                >\n                    <i class=\"icon-chevron-up\"><\/i>\n                <\/button>\n                <span id=\"toc-current-title\" class=\"d-flex align-items-center\">\n                    Resumen\n                <\/span>\n                <span class=\"toc-main-title-permanent\">Resumen<\/span>\n            <\/div>\n            <div\n                    class=\"collapse my-3\"\n                    id=\"multiCollapse1\"\n            >\n                <ol class=\"StepProgress\">\n                                                                        <li class=\"StepProgress-item current\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"que_es_la_comunicacion_de_campo_cercano_nfc\"\n                               onclick=handleScrollToTitle(\"que_es_la_comunicacion_de_campo_cercano_nfc\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">\u00bfQu\u00e9 es la comunicaci\u00f3n de campo cercano (NFC)?<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"puntos_clave\"\n                               onclick=handleScrollToTitle(\"puntos_clave\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">Puntos clave<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"historia_de_la_nfc\"\n                               onclick=handleScrollToTitle(\"historia_de_la_nfc\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">Historia de la NFC<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"como_funciona_la_nfc\"\n                               onclick=handleScrollToTitle(\"como_funciona_la_nfc\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">\u00bfC\u00f3mo funciona la NFC?<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"para_que_sirve_la_nfc\"\n                               onclick=handleScrollToTitle(\"para_que_sirve_la_nfc\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">\u00bfPara qu\u00e9 sirve la NFC?<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                    <li class=\"StepProgress-item subList-in-progress \">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"que_telefonos_tienen_nfc\"\n                               onclick=handleScrollToTitle(\"que_telefonos_tienen_nfc\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">\u00bfQu\u00e9 tel\u00e9fonos tienen NFC?<\/a>\n                                                            <button class=\"StepProgress-item__arrow collapse-action-btn\" type=\"button\"\n                                        data-bs-toggle=\"collapse\"\n                                        data-bs-target=\"#TOC1sublist-que_telefonos_tienen_nfc\"\n                                        aria-controls=\"sublist-que_telefonos_tienen_nfc\">\n                                    <i class=\"icon-chevron-down\"><\/i>\n                                <\/button>\n                                                    <\/div>\n                                                    <ol class=\"StepProgress-sub-list collapse\" id=\"TOC1sublist-que_telefonos_tienen_nfc\">\n                                                                    <li class=\"StepProgress-sub-item\">\n                    <span>\n                      <a data-id=\"que_puede_hacer_la_nfc_en_mi_telefono\"\n                         onclick=handleScrollToTitle(\"que_puede_hacer_la_nfc_en_mi_telefono\")\n                         class=\"StepProgress-item__link\"\n                         data-level=\"3\">\u00bfQu\u00e9 puede hacer la NFC en mi tel\u00e9fono?<\/a>\n                    <\/span>\n                                    <\/li>\n                                                            <\/ol>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"nfc_frente_a_bluetooth_rfid_y_uwb\"\n                               onclick=handleScrollToTitle(\"nfc_frente_a_bluetooth_rfid_y_uwb\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">NFC frente a Bluetooth, RFID y UWB<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"ejemplo_de_nfc\"\n                               onclick=handleScrollToTitle(\"ejemplo_de_nfc\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">Ejemplo de NFC<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"riesgos_de_seguridad_de_la_nfc\"\n                               onclick=handleScrollToTitle(\"riesgos_de_seguridad_de_la_nfc\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">Riesgos de seguridad de la NFC<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"ventajas_e_inconvenientes_de_nfc\"\n                               onclick=handleScrollToTitle(\"ventajas_e_inconvenientes_de_nfc\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">Ventajas e inconvenientes de NFC<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"lo_esencial\"\n                               onclick=handleScrollToTitle(\"lo_esencial\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">Lo esencial<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"preguntas_frecuentes\"\n                               onclick=handleScrollToTitle(\"preguntas_frecuentes\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">Preguntas frecuentes<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                    <\/ol>\n                <div class=\"toc-sticky__container__disperse\"><\/div>\n                <div class=\"toc-sticky__btn-top justify-content-center\">\n                    <button class=\"btn btn-link d-flex align-items-center\" onclick={btnTop()}><p>Ver m\u00e1s<\/p><img decoding=\"async\"\n                                src=\"\/wp-content\/plugins\/table-of-contents\/assets\/images\/arrow-up-circle.svg\"\n                                alt=\"arrow-up-circle\">\n                    <\/button>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/section>\n    <div class=\"toc-sticky-list\">\n        <div class=\"toc-sticky__container container\">\n            <div class=\"toc-sticky__open d-flex align-items-end\" data-bs-toggle=\"collapse\" aria-controls=\"multiCollapse2\" data-bs-target=\"#multiCollapse2\">\n                <button class=\"btn btn-primary collapse-action-btn p-1 rounded-circle\"\n                        type=\"button\">\n                    <i class=\"icon-chevron-up up\"><\/i>\n                <\/button>\n                <span id=\"toc-current-title\" class=\"d-flex align-items-center\">\n                    Resumen\n                <\/span>\n            <\/div>\n            <div  class=\"collapse my-3\" id=\"multiCollapse2\">\n                <ol class=\"StepProgress\">\n                    \t\t\t\t\t \t\t\t\t\t                                                     <li class=\"StepProgress-item current \">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"que_es_la_comunicacion_de_campo_cercano_nfc\"\n                                   onclick=handleScrollToTitle(\"que_es_la_comunicacion_de_campo_cercano_nfc\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">\u00bfQu\u00e9 es la comunicaci\u00f3n de campo cercano (NFC)?<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t                                                     <li class=\"StepProgress-item \">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"puntos_clave\"\n                                   onclick=handleScrollToTitle(\"puntos_clave\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">Puntos clave<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t                                                     <li class=\"StepProgress-item \">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"historia_de_la_nfc\"\n                                   onclick=handleScrollToTitle(\"historia_de_la_nfc\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">Historia de la NFC<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t\n\t\t\t\t\t\t <span class=\"show_moretoc\">Ver m\u00e1s<\/span>\n\t\t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"como_funciona_la_nfc\"\n                                   onclick=handleScrollToTitle(\"como_funciona_la_nfc\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">\u00bfC\u00f3mo funciona la NFC?<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"para_que_sirve_la_nfc\"\n                                   onclick=handleScrollToTitle(\"para_que_sirve_la_nfc\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">\u00bfPara qu\u00e9 sirve la NFC?<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                          \t\t\t\t\t\t\n                        <li class=\"StepProgress-item subList-in-progress  ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"que_telefonos_tienen_nfc\"\n                                   onclick=handleScrollToTitle(\"que_telefonos_tienen_nfc\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">\u00bfQu\u00e9 tel\u00e9fonos tienen NFC?<\/a>\n                                                                    <button class=\"StepProgress-item__arrow collapse-action-btn\" type=\"button\"\n                                            data-bs-toggle=\"collapse\"\n                                            data-bs-target=\"#sublist-que_telefonos_tienen_nfc\"\n                                            aria-controls=\"sublist-que_telefonos_tienen_nfc\">\n                                        <i class=\"icon-chevron-down\"><\/i>\n                                    <\/button>\n                                                            <\/div>\n                                                            <ol class=\"StepProgress-sub-list collapse\" id=\"sublist-que_telefonos_tienen_nfc\">\n                                                                            <li class=\"StepProgress-sub-item\">\n                    <span>\n                      <a data-id=\"que_puede_hacer_la_nfc_en_mi_telefono\"\n                         onclick=handleScrollToTitle(\"que_puede_hacer_la_nfc_en_mi_telefono\")\n                         class=\"StepProgress-item__link\"\n                         data-level=\"3\">\u00bfQu\u00e9 puede hacer la NFC en mi tel\u00e9fono?<\/a>\n                    <\/span>\n                                        <\/li>\n                                                                    <\/ol>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"nfc_frente_a_bluetooth_rfid_y_uwb\"\n                                   onclick=handleScrollToTitle(\"nfc_frente_a_bluetooth_rfid_y_uwb\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">NFC frente a Bluetooth, RFID y UWB<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"ejemplo_de_nfc\"\n                                   onclick=handleScrollToTitle(\"ejemplo_de_nfc\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">Ejemplo de NFC<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"riesgos_de_seguridad_de_la_nfc\"\n                                   onclick=handleScrollToTitle(\"riesgos_de_seguridad_de_la_nfc\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">Riesgos de seguridad de la NFC<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"ventajas_e_inconvenientes_de_nfc\"\n                                   onclick=handleScrollToTitle(\"ventajas_e_inconvenientes_de_nfc\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">Ventajas e inconvenientes de NFC<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"lo_esencial\"\n                                   onclick=handleScrollToTitle(\"lo_esencial\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">Lo esencial<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"preguntas_frecuentes\"\n                                   onclick=handleScrollToTitle(\"preguntas_frecuentes\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">Preguntas frecuentes<\/a>\n                                              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}\n<\/script>\n\n<h2><span id=\"que_es_la_comunicacion_de_campo_cercano_nfc\">\u00bfQu\u00e9 es la comunicaci\u00f3n de campo cercano (NFC)?<\/span><\/h2>\n<p>La comunicaci\u00f3n de campo cercano (Near Field Communication) es una <strong>tecnolog\u00eda de comunicaci\u00f3n inal\u00e1mbrica de bajo consumo y corto alcance<\/strong> que permite que dos dispositivos compatibles con NFC situados muy cerca intercambien datos o energ\u00eda. La distancia efectiva de funcionamiento suele ser de 4 cent\u00edmetros (1,5 pulgadas). Los chips NFC, tambi\u00e9n llamados etiquetas, no necesitan acceso a Internet.<\/p>\n<p>La comunicaci\u00f3n de campo cercano se considera m\u00e1s f\u00e1cil de usar que <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/bluetooth\">Bluetooth<\/a> porque no requiere fricci\u00f3n, es decir, no requiere emparejamiento manual: basta con acercar los dispositivos para que se conecten. Adem\u00e1s, la NFC es mucho m\u00e1s eficiente energ\u00e9ticamente que Bluetooth.<\/p>\n<p>La NFC es una <strong>extensi\u00f3n de la identificaci\u00f3n por radiofrecuencia (RFID) y es compatible con la tecnolog\u00eda RFID existente.<\/strong><\/p>\n<div class=\"su-note\"  style=\"border-color:#dddddd;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#F7F7F7;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<h2><span id=\"puntos_clave\">Puntos clave<\/span><\/h2>\n<ul>\n<li>La comunicaci\u00f3n de campo cercano es una tecnolog\u00eda inal\u00e1mbrica de bajo consumo para transmitir datos a corta distancia.<\/li>\n<li>Las funciones de la NFC incluyen transacciones seguras, emparejamiento de dispositivos e intercambio de datos.<\/li>\n<li>La NFC se basa en la tecnolog\u00eda RFID.<\/li>\n<li>La comunicaci\u00f3n de campo cercano es m\u00e1s eficiente energ\u00e9ticamente que Bluetooth.<\/li>\n<li>La NFC es generalmente segura debido a su corto alcance y a la encriptaci\u00f3n para transacciones seguras.<\/li>\n<\/ul>\n<\/div><\/div>\n<h2><span id=\"historia_de_la_nfc\">Historia de la NFC<\/span><\/h2>\n<p>Se atribuye a<strong> Charles Walton la invenci\u00f3n de la RFID en 1983<\/strong>, que es la base de la tecnolog\u00eda NFC.<\/p>\n<p>Entre los hitos m\u00e1s destacados de la historia de la NFC se incluyen<\/p>\n<p><b><strong>1983:<\/strong><\/b> Charles Walton registra la primera patente de RFID.<\/p>\n<p><b><strong>2002:<\/strong><\/b> Sony y NXP inventan conjuntamente la tecnolog\u00eda NFC.<\/p>\n<p><b><strong>2003:<\/strong><\/b> ISO aprueba la norma NFC.<\/p>\n<p><b><strong>2004:<\/strong><\/b> Nokia, Sony y Philips adoptan NFC.<\/p>\n<p><b><strong>2006:<\/strong><\/b> Se fabrican las primeras etiquetas NFC.<\/p>\n<p><b><strong>2010 &#8211; presente:<\/strong><\/b> La NFC se adopta de forma generalizada desde las aplicaciones <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/peer-to-peer\">peer-to-peer (P2P)<\/a> hasta los <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/telefono-movil\">tel\u00e9fonos m\u00f3viles<\/a>.<\/p>\n<h2><span id=\"como_funciona_la_nfc\">\u00bfC\u00f3mo funciona la NFC?<\/span><\/h2>\n<p>La NFC utiliza <i>el acoplamiento inductivo<\/i> de corto alcance para <strong>transferir energ\u00eda entre dos bobinas a trav\u00e9s de un campo magn\u00e9tico compartido.<\/strong><\/p>\n<p>Esto significa que cuando dos dispositivos habilitados para NFC est\u00e1n cerca el uno del otro, generan un campo magn\u00e9tico que induce una corriente el\u00e9ctrica inal\u00e1mbrica para la transferencia de datos o energ\u00eda.<\/p>\n<p>La NFC funciona a 13,56 MHz con velocidades de transmisi\u00f3n de datos de hasta 424 Kbit\/s, seg\u00fan las normas RFID (ISO\/IEC 18092).La NFC tiene <strong>varios modos de funcionamiento diferentes:<\/strong><\/p>\n<p><span><div class=\"su-accordion su-u-trim\"><div class=\"su-spoiler su-spoiler-style-fancy su-spoiler-icon-arrow-circle-1\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Modo de emulaci\u00f3n de tarjeta<\/span><span><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\"><\/span><br \/>\n<span>Transfiere datos en un sentido a un lector, por ejemplo, billetes sin contacto.<\/div><\/div><\/span><br \/>\n<span><div class=\"su-spoiler su-spoiler-style-fancy su-spoiler-icon-arrow-circle-1 su-spoiler-closed\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Modo P2P<\/span><span><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\"><\/span><br \/>\n<span>Permite la comunicaci\u00f3n bidireccional, lo que permite a los dispositivos enviar y leer datos.<\/div><\/div><\/span><br \/>\n<span><div class=\"su-spoiler su-spoiler-style-fancy su-spoiler-icon-arrow-circle-1 su-spoiler-closed\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Modo lectura\/escritura<\/span><span><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\"><\/span><br \/>\n<span>Admite la comunicaci\u00f3n unidireccional, ya sea de lectura o de escritura de datos.<\/div><\/div><\/span><br \/>\n<span><div class=\"su-spoiler su-spoiler-style-fancy su-spoiler-icon-arrow-circle-1 su-spoiler-closed\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Modo de carga inal\u00e1mbrica<\/span><span><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\"><\/span><br \/>\n<span>Transfiere hasta 1 W de potencia a m\u00e1s de 2 cm para cargar dispositivos peque\u00f1os.<\/div><\/div><\/span><span><\/div><\/span><\/p>\n<h2><span id=\"para_que_sirve_la_nfc\">\u00bfPara qu\u00e9 sirve la NFC?<\/span><\/h2>\n<p>\u00bfCu\u00e1l es la funci\u00f3n de NFC? La NFC<strong> se utiliza principalmente para permitir transacciones seguras, simplificar el emparejamiento de dispositivos y facilitar el intercambio de datos.<\/strong> Esta tecnolog\u00eda admite pagos sin contacto y carga inal\u00e1mbrica para wearables.<\/p>\n<p>Los usos m\u00e1s comunes son<\/p>\n<ul>\n<li>Control de acceso a edificios\/hoteles<\/li>\n<li>Pagos sin contacto<\/li>\n<li>Entradas m\u00f3viles para eventos<\/li>\n<li>Emparejamiento de dispositivos<\/li>\n<li>Tarifas de transporte p\u00fablico<\/li>\n<\/ul>\n<h2><span id=\"que_telefonos_tienen_nfc\">\u00bfQu\u00e9 tel\u00e9fonos tienen NFC?<\/span><\/h2>\n<p>Los tel\u00e9fonos con NFC son smartphones modernos equipados con tecnolog\u00eda de comunicaci\u00f3n de campo cercano, que <strong>mejora la funcionalidad para tareas como los pagos sin contacto y la transferencia de datos.<\/strong><\/p>\n<p>Los tel\u00e9fonos m\u00e1s populares con NFC son<\/p>\n<ul>\n<li>Serie iPhone de Apple: iPhone 15, 15 Pro, 15 Plus, 14, 14 Pro, SE<\/li>\n<li>Serie Google Pixel: Pixel 8, 8 Pro, Pixel Fold, 7, 7a<\/li>\n<li>Serie Samsung Galaxy: Galaxy A55, A35, S24, S24+, S23, M53<\/li>\n<\/ul>\n<p>Otras marcas de tel\u00e9fonos con capacidades NFC son Nokia, Sony Xperia y Huawei.<\/p>\n<h3><span id=\"que_puede_hacer_la_nfc_en_mi_telefono\">\u00bfQu\u00e9 puede hacer la NFC en mi tel\u00e9fono?<\/span><\/h3>\n<p>Un uso com\u00fan de la tecnolog\u00eda NFC en tu tel\u00e9fono es <strong>realizar pagos sin contacto con un monedero digital<\/strong>, como Apple Pay, Google Pay o Samsung Pay. Los monederos digitales utilizan NFC para transmitir de forma segura la informaci\u00f3n de pago al terminal y completar la transacci\u00f3n al instante.<\/p>\n<p>Tambi\u00e9n puedes utilizar la NFC en tu tel\u00e9fono para desbloquear puertas equipadas con lectores NFC, pagar billetes de transporte p\u00fablico, emparejarlo con dispositivos Bluetooth y cargar dispositivos peque\u00f1os, como auriculares.<\/p>\n<h2><span id=\"nfc_frente_a_bluetooth_rfid_y_uwb\">NFC frente a Bluetooth, RFID y UWB<\/span><\/h2>\n<div class=\"su-tabs su-tabs-style-default su-tabs-mobile-stack su-tabs-vertical\" data-active=\"1\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-tabs-nav\"><span class=\"\" data-url=\"\" data-target=\"blank\" tabindex=\"0\" role=\"button\">NFC<\/span><span class=\"\" data-url=\"\" data-target=\"blank\" tabindex=\"0\" role=\"button\">Bluetooth<\/span><span class=\"\" data-url=\"\" data-target=\"blank\" tabindex=\"0\" role=\"button\">RFID<\/span><span class=\"\" data-url=\"\" data-target=\"blank\" tabindex=\"0\" role=\"button\">UWB<\/span><\/div><div class=\"su-tabs-panes\"><div class=\"su-tabs-pane su-u-clearfix su-u-trim\" data-title=\"NFC\">\n<strong><\/strong><\/p>\n<p><strong>Alcance<\/strong>: Distancias muy cortas, normalmente hasta 4 cent\u00edmetros.<\/p>\n<p><strong>Velocidad de transferencia de datos<\/strong>: Hasta 424 Kbit\/s.<\/p>\n<p><strong>Seguridad<\/strong>: Generalmente segura debido al corto alcance; admite encriptaci\u00f3n para las transacciones.<\/p>\n<\/div>\n<div class=\"su-tabs-pane su-u-clearfix su-u-trim\" data-title=\"Bluetooth\">\n<p><strong>Alcance<\/strong>: Mayor alcance, hasta 100 metros con Bluetooth 5.0.<\/p>\n<p><strong>Velocidad de transferencia de datos<\/strong>: Hasta 2 Mbit\/s con Bluetooth 5.0<\/p>\n<p>Seguridad: Las versiones modernas ofrecen un cifrado potente; las versiones antiguas pueden ser vulnerables.<\/p>\n<\/div>\n<div class=\"su-tabs-pane su-u-clearfix su-u-trim\" data-title=\"RFID\">\n<p><strong>Alcance<\/strong>:La RFID activa puede alcanzar hasta 100 metros.<br \/>\nRFID pasiva: Hasta 25 metros.<\/p>\n<p><strong>Velocidad de transferencia de datos<\/strong>: RFID Activa: De 128 Kbit\/s a 512 Kbit\/s o superior.<br \/>\n<strong>Pasiva<\/strong>: 26 Kbit\/s a 128 Kbit\/s.<\/p>\n<p><strong>Seguridad<\/strong>: La RFID activa puede incorporar encriptaci\u00f3n para mejorar la seguridad.<br \/>\nLa RFID pasiva suele ser menos segura.<\/p>\n<\/div>\n<div class=\"su-tabs-pane su-u-clearfix su-u-trim\" data-title=\"UWB\">\n<p><strong>Alcance<\/strong>: Eficaz entre 10 y 30 metros.<\/p>\n<p><strong>Velocidad de transferencia de datos<\/strong>: Hasta varios cientos de Mbit\/s.<\/p>\n<p><strong>Seguridad<\/strong>: Alta seguridad con soporte para protocolos de alcance seguro.<\/p>\n<\/div><\/div><\/div>\n<h2><span id=\"ejemplo_de_nfc\">Ejemplo de NFC<\/span><\/h2>\n<p>Un ejemplo de NFC son las tarjetas Touch &#8216;n Go (TNG) NFC, muy utilizadas en Malasia para pagos sin contacto en transporte p\u00fablico, peajes, aparcamientos y comercios. Puedes cargar una tarjeta TNG NFC y gestionar el saldo mediante un smartphone con funciones NFC.<\/p>\n<p>Para recargar una tarjeta TNG NFC, utiliza la aplicaci\u00f3n Touch &#8216;n Go eWallet, que simplifica la adici\u00f3n de fondos tocando la tarjeta en el tel\u00e9fono. Puedes comprar tarjetas TNG NFC en varios puntos de venta, como tiendas de conveniencia y plataformas online como <a href=\"https:\/\/www.touchngo.com.my\/\" target=\"_blank\">el sitio web oficial de Touch &#8216;n Go<\/a>.<\/p>\n<h2><span id=\"riesgos_de_seguridad_de_la_nfc\">Riesgos de seguridad de la NFC<\/span><\/h2>\n<p><span><div class=\"su-accordion su-u-trim\"><div class=\"su-spoiler su-spoiler-style-fancy su-spoiler-icon-arrow-circle-1\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Corrupci\u00f3n de datos<\/span><span><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\"><\/span><br \/>\n<span>Manipulaci\u00f3n de los datos transferidos.<\/div><\/div><\/span><br \/>\n<span><div class=\"su-spoiler su-spoiler-style-fancy su-spoiler-icon-arrow-circle-1 su-spoiler-closed\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Espionaje<\/span><span><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\"><\/span><br \/>\n<span>Interceptaci\u00f3n de datos durante la comunicaci\u00f3n NFC.<\/div><\/div><\/span><br \/>\n<span><div class=\"su-spoiler su-spoiler-style-fancy su-spoiler-icon-arrow-circle-1 su-spoiler-closed\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>P\u00e9rdida o robo del dispositivo<\/span><span><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\"><\/span><br \/>\n<span>Acceso no autorizado al dispositivo.<\/div><\/div><\/span><br \/>\n<span><div class=\"su-spoiler su-spoiler-style-fancy su-spoiler-icon-arrow-circle-1 su-spoiler-closed\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Ataques por rel\u00e9<\/span><span><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\"><\/span><br \/>\n<span>Retransmisi\u00f3n de la comunicaci\u00f3n entre dos partes.<\/div><\/div><\/span><br \/>\n<span><div class=\"su-spoiler su-spoiler-style-fancy su-spoiler-icon-arrow-circle-1 su-spoiler-closed\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Transacciones no autorizadas<\/span><span><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\"><\/span><br \/>\n<span>Transacciones accidentales o malintencionadas sin consentimiento.<\/div><\/div><\/span><span><\/div><\/span><\/p>\n<h2><span id=\"ventajas_e_inconvenientes_de_nfc\">Ventajas e inconvenientes de NFC<\/span><\/h2>\n<div class=\"su-row\"><div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<p><strong>Pros <img decoding=\"async\" src=\"https:\/\/www.techopedia.com\/wp-content\/uploads\/2023\/08\/pros.svg\" alt=\"pros\" width=\"24\" height=\"26\" \/><\/strong><\/p>\n<div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-check-circle\" style=\"color:#77e31f\"><\/i> Pagos y transacciones sin contacto<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#77e31f\"><\/i> Comparte al instante archivos, contactos y enlaces<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#77e31f\"><\/i> Bajo consumo de energ\u00eda<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#77e31f\"><\/i> Emparejamiento sencillo con dispositivos Bluetooth<\/li>\n<\/ul>\n<\/div><\/div><\/div> <div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<p><strong>Cons <img decoding=\"async\" src=\"https:\/\/www.techopedia.com\/wp-content\/uploads\/2023\/08\/cons.svg\" alt=\"cons\" width=\"24\" height=\"26\" \/><\/strong><\/p>\n<div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-remove\" style=\"color:#e31f28\"><\/i> Alcance limitado<\/li>\n<li><i class=\"sui sui-remove\" style=\"color:#e31f28\"><\/i> No todos los dispositivos son compatibles con NFC<\/li>\n<li><i class=\"sui sui-remove\" style=\"color:#e31f28\"><\/i> Transferencia de datos m\u00e1s lenta en comparaci\u00f3n con otras tecnolog\u00edas<\/li>\n<li><i class=\"sui sui-remove\" style=\"color:#e31f28\"><\/i> Vulnerable a las escuchas y a los ataques de retransmisi\u00f3n<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div>\n<p>&nbsp;<\/p>\n<h2><span id=\"lo_esencial\">Lo esencial<\/span><\/h2>\n<p>El significado de NFC es una tecnolog\u00eda de comunicaci\u00f3n inal\u00e1mbrica de baja potencia y corto alcance que funciona a 13,56 MHz con velocidades de transmisi\u00f3n de datos de hasta 424 Kbit\/s.<\/p>\n<p>Debido a su corto alcance (dentro de los 4 cent\u00edmetros), <strong>la NFC es generalmente segura y admite encriptaci\u00f3n<\/strong>, lo que la hace conveniente para los pagos m\u00f3viles sin contacto y la transferencia de datos.<\/p>\n<p>No todos los tel\u00e9fonos son compatibles con NFC, as\u00ed que aseg\u00farate de consultar una lista de tel\u00e9fonos NFC en l\u00ednea, como la que ofrece NFCDirect.<\/p>\n<h2><span id=\"preguntas_frecuentes\">Preguntas frecuentes<\/span><\/h2>\n<div class=\"man_faq_sec\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"><\/time><section class=\"ms_faq ms_card \" ><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\">\u00bfQu\u00e9 es la comunicaci\u00f3n de campo cercano? <\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\"> Tecnolog\u00eda de comunicaci\u00f3n inal\u00e1mbrica de bajo consumo y corto alcance (1,5 pulgadas). <\/p>\r\n                <\/div><\/div><\/section>\n<section class=\"ms_faq ms_card \" ><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\"> \u00bfCu\u00e1l es un ejemplo de NFC? <\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\">Un ejemplo de NFC son los pagos sin contacto con tel\u00e9fonos inteligentes. <\/p>\r\n                <\/div><\/div><\/section>\n<section class=\"ms_faq ms_card \" ><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\">\u00bfNFC debe estar activado o desactivado? <\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\">Para el uso frecuente de pagos sin contacto o tarjetas de tr\u00e1nsito es conveniente mantener la NFC activada, sin embargo, desactivarla mejora la seguridad y ahorra bater\u00eda. <\/p>\r\n                <\/div><\/div><\/section>\n<section class=\"ms_faq ms_card \" ><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\">\u00bfPara qu\u00e9 se utiliza NFC? <\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\"> Entre sus usos m\u00e1s comunes se encuentran el control de acceso a puertas, los pagos sin contacto y el emparejamiento de dispositivos. <\/p>\r\n                <\/div><\/div><\/section>\n<section class=\"ms_faq ms_card \" ><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\"> \u00bfQu\u00e9 es NFC en el m\u00f3vil? <\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\"> La tecnolog\u00eda NFC en los m\u00f3viles permite realizar pagos sin contacto y compartir datos. <\/p>\r\n                <\/div><\/div><\/section>\n<div class=\"reference-heading reference-content-collapsible-heading\"><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u00bfQu\u00e9 es la comunicaci\u00f3n de campo cercano (NFC)? 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