{"id":2641,"date":"2024-05-28T05:53:33","date_gmt":"2024-05-28T05:53:33","guid":{"rendered":"https:\/\/nfc-readers.com\/?p=2641"},"modified":"2024-05-28T05:53:33","modified_gmt":"2024-05-28T05:53:33","slug":"differences-among-rfid-card-readers-by-frequency","status":"publish","type":"post","link":"https:\/\/nfc-readers.com\/vi\/differences-among-rfid-card-readers-by-frequency\/","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c \u0111\u1ea7u \u0111\u1ecdc th\u1ebb RFID theo t\u1ea7n s\u1ed1"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Chuy\u1ec3n \u0111\u1ed5i m\u1ee5c l\u1ee5c\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Chuy\u1ec3n \u0111\u1ed5i<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nfc-readers.com\/vi\/differences-among-rfid-card-readers-by-frequency\/#Introduction\" title=\"Gi\u1edbi thi\u1ec7u\">Gi\u1edbi thi\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nfc-readers.com\/vi\/differences-among-rfid-card-readers-by-frequency\/#Differences_Among_RFID_Card_Readers_by_Frequency\" title=\"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c \u0111\u1ea7u \u0111\u1ecdc th\u1ebb RFID theo t\u1ea7n s\u1ed1\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c \u0111\u1ea7u \u0111\u1ecdc th\u1ebb RFID theo t\u1ea7n s\u1ed1<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nfc-readers.com\/vi\/differences-among-rfid-card-readers-by-frequency\/#Low-Frequency_LF_RFID_Readers\" title=\"\u0110\u1ea7u \u0111\u1ecdc RFID t\u1ea7n s\u1ed1 th\u1ea5p (LF)\">\u0110\u1ea7u \u0111\u1ecdc RFID t\u1ea7n s\u1ed1 th\u1ea5p (LF)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nfc-readers.com\/vi\/differences-among-rfid-card-readers-by-frequency\/#High-Frequency_HF_RFID_Readers\" title=\"\u0110\u1ea7u \u0111\u1ecdc RFID t\u1ea7n s\u1ed1 cao (HF)\">\u0110\u1ea7u \u0111\u1ecdc RFID t\u1ea7n s\u1ed1 cao (HF)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nfc-readers.com\/vi\/differences-among-rfid-card-readers-by-frequency\/#Ultra-High_Frequency_UHF_RFID_Readers\" title=\"\u0110\u1ea7u \u0111\u1ecdc RFID t\u1ea7n s\u1ed1 c\u1ef1c cao (UHF)\">\u0110\u1ea7u \u0111\u1ecdc RFID t\u1ea7n s\u1ed1 c\u1ef1c cao (UHF)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nfc-readers.com\/vi\/differences-among-rfid-card-readers-by-frequency\/#Microwave_RFID_Readers\" title=\"\u0110\u1ea7u \u0111\u1ecdc RFID vi s\u00f3ng\">\u0110\u1ea7u \u0111\u1ecdc RFID vi s\u00f3ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nfc-readers.com\/vi\/differences-among-rfid-card-readers-by-frequency\/#Conclusion\" title=\"Ph\u1ea7n k\u1ebft lu\u1eadn\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"introduction\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>Gi\u1edbi thi\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">\u0110\u1ea7u \u0111\u1ecdc th\u1ebb RFID (Radio Frequency Identification) l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong nhi\u1ec1u h\u1ec7 th\u1ed1ng nh\u1eadn d\u1ea1ng v\u00e0 theo d\u00f5i, cung c\u1ea5p nhi\u1ec1u t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng. C\u00e1c t\u1ea7n s\u1ed1 n\u00e0y x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi \u0111\u1ecdc v\u00e0 ghi, hi\u1ec7u su\u1ea5t v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ph\u00f9 h\u1ee3p. C\u00e1c t\u1ea7n s\u1ed1 ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m t\u1ea7n s\u1ed1 th\u1ea5p (LF), <a href=\"https:\/\/nfc-readers.com\/vi\/Wholesale\/rfid-nfc-reader\/\">t\u1ea7n s\u1ed1 cao<\/a> (HF), t\u1ea7n s\u1ed1 c\u1ef1c cao (UHF) v\u00e0 vi s\u00f3ng. M\u1ed7i lo\u1ea1i t\u1ea7n s\u1ed1 \u0111\u1ec1u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf ri\u00eang, \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u v\u00e0 m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau.<\/div>\n<figure id=\"attachment_1563\" aria-describedby=\"caption-attachment-1563\" style=\"width: 374px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1563\" src=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/04\/acr1222l_1-1_\u526f\u672c-300x300.png\" alt=\"\u0110\u1ea7u \u0111\u1ecdc NFC ACR1222L-LCD\" width=\"374\" height=\"374\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/04\/acr1222l_1-1_\u526f\u672c-300x300.png 300w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/04\/acr1222l_1-1_\u526f\u672c-150x150.png 150w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/04\/acr1222l_1-1_\u526f\u672c-600x600.png 600w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/04\/acr1222l_1-1_\u526f\u672c-100x100.png 100w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/04\/acr1222l_1-1_\u526f\u672c.png 750w\" sizes=\"auto, (max-width: 374px) 100vw, 374px\" \/><figcaption id=\"caption-attachment-1563\" class=\"wp-caption-text\">\u0110\u1ea7u \u0111\u1ecdc NFC ACR1222L-LCD<\/figcaption><\/figure>\n<h2 id=\"differences-among-rfid-card-readers-by-frequency\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Differences_Among_RFID_Card_Readers_by_Frequency\"><\/span>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c \u0111\u1ea7u \u0111\u1ecdc th\u1ebb RFID theo t\u1ea7n s\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<h3 id=\"low-frequency-lf-rfid-readers\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Low-Frequency_LF_RFID_Readers\"><\/span>\u0110\u1ea7u \u0111\u1ecdc RFID t\u1ea7n s\u1ed1 th\u1ea5p (LF)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">\u0110\u1ea7u \u0111\u1ecdc RFID LF ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 d\u01b0\u1edbi 135 kHz, v\u1edbi kho\u1ea3ng c\u00e1ch \u0111\u1ecdc th\u00f4ng th\u01b0\u1eddng d\u01b0\u1edbi 10 cm. Ph\u1ea1m vi \u0111\u1ecdc b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi k\u00edch th\u01b0\u1edbc c\u1ee7a th\u1ebb; th\u1ebb l\u1edbn h\u01a1n c\u00f3 xu h\u01b0\u1edbng c\u00f3 ph\u1ea1m vi \u0111\u1ecdc l\u1edbn h\u01a1n. H\u1ec7 th\u1ed1ng RFID LF c\u00f3 \u0111\u1ed9 tin c\u1eady cao trong m\u00f4i tr\u01b0\u1eddng c\u00f3 s\u1ef1 can thi\u1ec7p c\u1ee7a kim lo\u1ea1i ho\u1eb7c n\u01b0\u1edbc. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho:<\/div>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li>Theo d\u00f5i v\u00e0 nh\u1eadn d\u1ea1ng \u0111\u1ed9ng v\u1eadt<\/li>\n<li>Qu\u1ea3n l\u00fd ki\u1ec3m so\u00e1t truy c\u1eadp<\/li>\n<li>H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd xe<\/li>\n<li>H\u1ec7 th\u1ed1ng POS (\u0110i\u1ec3m b\u00e1n h\u00e0ng)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">Kho\u1ea3ng c\u00e1ch \u0111\u1ecdc ng\u1eafn \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt v\u00e0 l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u nh\u1eadn d\u1ea1ng \u1edf kho\u1ea3ng c\u00e1ch g\u1ea7n.<\/div>\n<p>&nbsp;<\/p>\n<h3 id=\"high-frequency-hf-rfid-readers\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"High-Frequency_HF_RFID_Readers\"><\/span>\u0110\u1ea7u \u0111\u1ecdc RFID t\u1ea7n s\u1ed1 cao (HF)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\"><a href=\"https:\/\/nfc-readers.com\/vi\/Wholesale\/rfid-nfc-reader\/\">\u0110\u1ea7u \u0111\u1ecdc RFID HF<\/a> ho\u1ea1t \u0111\u1ed9ng \u1edf kho\u1ea3ng 13,56 MHz, cung c\u1ea5p ph\u1ea1m vi \u0111\u1ecdc th\u01b0\u1eddng trong v\u00f2ng 1 m\u00e9t. Ch\u00fang t\u1ef1 h\u00e0o c\u00f3 hi\u1ec7u su\u1ea5t t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec5u kim lo\u1ea1i v\u00e0 ch\u1ea5t l\u1ecfng. Th\u1ebb RFID HF truy\u1ec1n d\u1eef li\u1ec7u nhanh nh\u01b0ng c\u00f3 th\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u k\u00e9m h\u01a1n so v\u1edbi c\u00e1c t\u1ea7n s\u1ed1 kh\u00e1c. C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng RFID HF bao g\u1ed3m:<\/div>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li>H\u1ec7 th\u1ed1ng thanh to\u00e1n kh\u00f4ng ti\u1ebfp x\u00fac v\u00e0 th\u1ebb th\u00f4ng minh<\/li>\n<li>H\u1ec7 th\u1ed1ng giao th\u00f4ng c\u00f4ng c\u1ed9ng (v\u00ed d\u1ee5: th\u1ebb t\u00e0u \u0111i\u1ec7n ng\u1ea7m)<\/li>\n<li>Ki\u1ec3m so\u00e1t ra v\u00e0o trong t\u00f2a nh\u00e0<\/li>\n<li>Qu\u1ea3n l\u00fd th\u01b0 vi\u1ec7n v\u00e0 d\u01b0\u1ee3c ph\u1ea9m<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">Nh\u1eefng \u0111\u1ea7u \u0111\u1ecdc n\u00e0y ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa ph\u1ea1m vi, t\u1ed1c \u0111\u1ed9 v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u, khi\u1ebfn HF RFID tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng lo\u1ea1i linh ho\u1ea1t v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t.<\/div>\n<p>&nbsp;<\/p>\n<h3 id=\"ultra-high-frequency-uhf-rfid-readers\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Ultra-High_Frequency_UHF_RFID_Readers\"><\/span>\u0110\u1ea7u \u0111\u1ecdc RFID t\u1ea7n s\u1ed1 c\u1ef1c cao (UHF)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">\u0110\u1ea7u \u0111\u1ecdc RFID UHF, ho\u1ea1t \u0111\u1ed9ng trong kho\u1ea3ng t\u1eeb 300 MHz \u0111\u1ebfn 3 GHz, cung c\u1ea5p kho\u1ea3ng c\u00e1ch \u0111\u1ecdc v\u00e0 ghi d\u00e0i h\u01a1n \u0111\u00e1ng k\u1ec3, th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 3 \u0111\u1ebfn 5 m\u00e9t v\u00e0 \u0111\u00f4i khi m\u1edf r\u1ed9ng l\u00ean \u0111\u1ebfn 15 m\u00e9t. Tuy nhi\u00ean, h\u1ec7 th\u1ed1ng UHF c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u kim lo\u1ea1i v\u00e0 ch\u1ea5t l\u1ecfng k\u00e9m h\u01a1n. Ch\u00fang ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong:<\/div>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li>Qu\u1ea3n l\u00fd t\u00e0i s\u1ea3n v\u00e0 h\u00e0ng t\u1ed3n kho<\/li>\n<li>Chu\u1ed7i cung \u1ee9ng v\u00e0 h\u1eadu c\u1ea7n quy m\u00f4 l\u1edbn<\/li>\n<li>H\u1ec7 th\u1ed1ng theo d\u00f5i h\u00e0nh l\u00fd<\/li>\n<li>Ph\u00f2ng ch\u1ed1ng tr\u1ed9m c\u1eafp v\u00e0 an ninh<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">Ph\u1ea1m vi m\u1edf r\u1ed9ng v\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ecdc nhi\u1ec1u th\u1ebb c\u00f9ng l\u00fac l\u00e0m cho h\u1ec7 th\u1ed1ng UHF ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng m\u1edf r\u1ed9ng, n\u01a1i c\u1ea7n c\u00f3 ph\u1ea1m vi ph\u1ee7 s\u00f3ng r\u1ed9ng.<\/div>\n<p>&nbsp;<\/p>\n<h3 id=\"microwave-rfid-readers\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Microwave_RFID_Readers\"><\/span>\u0110\u1ea7u \u0111\u1ecdc RFID vi s\u00f3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">M\u1eb7c d\u00f9 \u00edt \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn h\u01a1n, \u0111\u1ea7u \u0111\u1ecdc RFID ho\u1ea1t \u0111\u1ed9ng trong b\u0103ng t\u1ea7n vi s\u00f3ng (tr\u00ean 3 GHz) cung c\u1ea5p ph\u1ea1m vi \u0111\u1ecdc d\u00e0i nh\u1ea5t v\u00e0 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao nh\u1ea5t trong s\u1ed1 c\u00e1c c\u00f4ng ngh\u1ec7 RFID. Ch\u00fang \u0111\u01b0\u1ee3c tri\u1ec3n khai trong c\u00e1c \u1ee9ng d\u1ee5ng chuy\u00ean bi\u1ec7t \u0111\u00f2i h\u1ecfi thu th\u1eadp d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao v\u00e0 kho\u1ea3ng c\u00e1ch xa, bao g\u1ed3m:<\/div>\n<p>&nbsp;<\/p>\n<ul class=\"auto-hide-last-sibling-br\">\n<li>H\u1ec7 th\u1ed1ng thu ph\u00ed t\u1ef1 \u0111\u1ed9ng<\/li>\n<li>T\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p v\u00e0 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t t\u1ed1c \u0111\u1ed9 cao<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">H\u1ec7 th\u1ed1ng RFID vi s\u00f3ng c\u00f3 l\u1ee3i th\u1ebf trong nh\u1eefng t\u00ecnh hu\u1ed1ng c\u1ea7n thu th\u1eadp d\u1eef li\u1ec7u nhanh v\u00e0 ph\u1ea1m vi r\u1ed9ng, m\u1eb7c d\u00f9 ch\u00fang d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi m\u1ed9t s\u1ed1 lo\u1ea1i nhi\u1ec5u m\u00f4i tr\u01b0\u1eddng nh\u1ea5t \u0111\u1ecbnh v\u00e0 y\u00eau c\u1ea7u thi\u1ebft l\u1eadp ch\u00ednh x\u00e1c.<\/div>\n<p>&nbsp;<\/p>\n<h2 id=\"conclusion\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Ph\u1ea7n k\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">\u0110\u1ea7u \u0111\u1ecdc th\u1ebb RFID kh\u00e1c nhau \u0111\u00e1ng k\u1ec3 d\u1ef1a tr\u00ean d\u1ea3i t\u1ea7n s\u1ed1 m\u00e0 ch\u00fang ho\u1ea1t \u0111\u1ed9ng, m\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng ri\u00eang bi\u1ec7t v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00fd t\u01b0\u1edfng. \u0110\u1ea7u \u0111\u1ecdc LF ph\u00f9 h\u1ee3p nh\u1ea5t cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea7m ng\u1eafn, an to\u00e0n; \u0111\u1ea7u \u0111\u1ecdc HF cung c\u1ea5p s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa ph\u1ea1m vi, t\u1ed1c \u0111\u1ed9 v\u00e0 t\u00ednh linh ho\u1ea1t; \u0111\u1ea7u \u0111\u1ecdc UHF cung c\u1ea5p ph\u1ea1m vi r\u1ed9ng ph\u00f9 h\u1ee3p cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng quy m\u00f4 l\u1edbn; v\u00e0 \u0111\u1ea7u \u0111\u1ecdc vi s\u00f3ng v\u01b0\u1ee3t tr\u1ed9i trong c\u00e1c t\u00ecnh hu\u1ed1ng thu th\u1eadp d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao, kho\u1ea3ng c\u00e1ch xa. Hi\u1ec3u \u0111\u01b0\u1ee3c nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 l\u1ef1a ch\u1ecdn h\u1ec7 th\u1ed1ng RFID ph\u00f9 h\u1ee3p \u0111\u00e1p \u1ee9ng hi\u1ec7u qu\u1ea3 c\u00e1c nhu c\u1ea7u ho\u1ea1t \u0111\u1ed9ng c\u1ee5 th\u1ec3.<\/div>","protected":false},"excerpt":{"rendered":"<p>Gi\u1edbi thi\u1ec7u \u0110\u1ea7u \u0111\u1ecdc th\u1ebb RFID (Nh\u1eadn d\u1ea1ng qua t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn) kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00e1c h\u1ec7 th\u1ed1ng nh\u1eadn d\u1ea1ng v\u00e0 theo d\u00f5i kh\u00e1c nhau, cung c\u1ea5p nhi\u1ec1u t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng. C\u00e1c t\u1ea7n s\u1ed1 n\u00e0y x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi \u0111\u1ecdc v\u00e0 ghi, hi\u1ec7u su\u1ea5t v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ph\u00f9 h\u1ee3p. C\u00e1c t\u1ea7n s\u1ed1 ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m t\u1ea7n s\u1ed1 th\u1ea5p (LF), t\u1ea7n s\u1ed1 cao (HF), t\u1ea7n s\u1ed1 si\u00eau cao (UHF) v\u00e0 vi s\u00f3ng. M\u1ed7i lo\u1ea1i t\u1ea7n s\u1ed1 th\u1ec3 hi\u1ec7n s\u1ef1 \u0111\u1ed9c \u0111\u00e1o [\u2026]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2641","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2641","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/comments?post=2641"}],"version-history":[{"count":1,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2641\/revisions"}],"predecessor-version":[{"id":2642,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2641\/revisions\/2642"}],"wp:attachment":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/media?parent=2641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/categories?post=2641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/tags?post=2641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}