{"id":16173,"date":"2026-09-01T03:13:12","date_gmt":"2026-09-01T03:13:12","guid":{"rendered":"https:\/\/custom-rfid-tags.com\/?p=16173"},"modified":"2026-09-01T03:13:14","modified_gmt":"2026-09-01T03:13:14","slug":"what-are-the-different-nfc-tag-types","status":"publish","type":"post","link":"https:\/\/custom-rfid-tags.com\/cs\/what-are-the-different-nfc-tag-types\/","title":{"rendered":"Jak\u00e9 jsou r\u016fzn\u00e9 typy NFC tag\u016f?"},"content":{"rendered":"

NFC tagy<\/a> Zvenku mohou vypadat jednodu\u0161e, ale technologie, kter\u00e1 se v nich skr\u00fdv\u00e1, nen\u00ed v\u0161ude stejn\u00e1. Technologie NFC pracuje na frekvenci 13,56 MHz a v\u011bt\u0161ina NFC \u0161t\u00edtk\u016f jsou pasivn\u00ed za\u0159\u00edzen\u00ed bez vlastn\u00ed baterie. Kdy\u017e se k nim p\u0159ibl\u00ed\u017e\u00ed telefon nebo \u010dte\u010dka NFC, jej\u00ed elektromagnetick\u00e9 pole dod\u00e1v\u00e1 \u0161t\u00edtku energii pot\u0159ebnou ke komunikaci.<\/p>\n\n\n\n

Kdy\u017e se v\u0161ak lid\u00e9 zmi\u0148uj\u00ed o \u201ctypech NFC tag\u016f\u201d, mohou t\u00edm m\u00edt na mysli n\u011bkolik r\u016fzn\u00fdch v\u011bc\u00ed. Typ tagu podle NFC Forum popisuje komunika\u010dn\u00ed architekturu tagu. N\u00e1zev jako NTAG213 ozna\u010duje konkr\u00e9tn\u00ed integrovan\u00fd obvod uvnit\u0159 tagu, zat\u00edmco pojmy jako NFC n\u00e1lepka<\/a>, karta nebo n\u00e1ramek popisuj\u00ed fyzick\u00fd form\u00e1t. D\u00edky odd\u011blen\u00ed t\u011bchto kategori\u00ed lze rozd\u00edly mezi produkty s technologi\u00ed NFC mnohem sn\u00e1ze pochopit.<\/p>\n\n\n\n

Jak\u00e9 jsou r\u016fzn\u00e9 typy NFC \u0161t\u00edtk\u016f?<\/strong><\/h2>\n\n\n\n

F\u00f3rum NFC definuje p\u011bt typ\u016f \u0161t\u00edtk\u016f, a to od typu 1 a\u017e po typ 5. Ka\u017ed\u00fd typ vyu\u017e\u00edv\u00e1 konkr\u00e9tn\u00ed komunika\u010dn\u00ed technologii NFC a ur\u010duje, jak za\u0159\u00edzen\u00ed podporuj\u00edc\u00ed technologii NFC \u0161t\u00edtek detekuje a jak s n\u00edm vym\u011b\u0148uje data.<\/p>\n\n\n\n

Jedn\u00edm z pojm\u016f, kter\u00fd se v t\u011bchto specifikac\u00edch \u010dasto vyskytuje, je NDEF, co\u017e je zkratka pro NFC Data Exchange Format. NDEF p\u0159edstavuje standardizovan\u00fd zp\u016fsob ukl\u00e1d\u00e1n\u00ed aplika\u010dn\u00edch dat na NFC tagy. Tag m\u016f\u017ee obsahovat z\u00e1znam NDEF s adresou URL webov\u00e9 str\u00e1nky, textem nebo jin\u00fdm podporovan\u00fdm typem dat. <\/p>\n\n\n\n

Zde je stru\u010dn\u00e9 srovn\u00e1n\u00ed p\u011bti typ\u016f \u0161t\u00edtk\u016f NFC Forum:<\/p>\n\n\n\n

Typ f\u00f3ra NFC<\/strong><\/td>Technologie NFC<\/strong><\/td>Souvisej\u00edc\u00ed norma<\/strong><\/td>Reprezentativn\u00ed technologie \/ integrovan\u00e9 obvody<\/strong><\/td>Obecn\u00fd kontext<\/strong><\/td><\/tr>
Typ 1<\/strong><\/td>NFC-A<\/td>R\u00e1diov\u00e1 technologie ISO\/IEC 14443 typu A<\/td>Topaz \/ Drahokam<\/td>Star\u0161\u00ed jednoduch\u00e9 aplikace vyu\u017e\u00edvaj\u00edc\u00ed technologii NFC<\/td><\/tr>
Typ 2<\/strong><\/td>NFC-A<\/td>ISO\/IEC 14443 typ A<\/td>NTAG21x, MIFARE Ultralight<\/td>Univerz\u00e1ln\u00ed NFC \u0161t\u00edtky<\/td><\/tr>
Typ 3<\/strong><\/td>NFC-F<\/td>JIS X 6319-4<\/td>FeliCa<\/td>Ve\u0159ejn\u00e1 doprava a elektronick\u00e9 pen\u00edze<\/td><\/tr>
Typ 4<\/strong><\/td>ISO-DEP p\u0159es NFC-A nebo NFC-B<\/td>\u0158ada norem ISO\/IEC 14443<\/td>MIFARE DESFire<\/td>\u010cipov\u00e9 karty a pokro\u010dil\u00e9 aplikace<\/td><\/tr>
Typ 5<\/strong><\/td>NFC-V<\/td>ISO\/IEC 15693<\/td>ICODE, ST25TV<\/td>Identifikace a pr\u016fmyslov\u00e9 vyu\u017eit\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u0160t\u00edtky NFC typu 1<\/strong><\/h2>\n\n\n\n

NFC typu 1 vyu\u017e\u00edv\u00e1 technologii NFC-A a byl navr\u017een pro relativn\u011b jednoduch\u00e9 aplikace \u010dten\u00ed a z\u00e1pisu. S touto kategori\u00ed se nej\u010dast\u011bji spojuj\u00ed n\u00e1zvy Topaz a Jewel. Stejn\u011b jako ostatn\u00ed specifikace \u0161t\u00edtk\u016f NFC Forum i typ 1 definuje, jak \u010dte\u010dka detekuje \u0161t\u00edtek a p\u0159istupuje ke zpr\u00e1v\u011b NDEF, nikoli konkr\u00e9tn\u00ed fyzick\u00fd produkt v podob\u011b \u0161t\u00edtku.<\/p>\n\n\n\n

Typ 1 m\u00e1 dnes v\u00fdznam hlavn\u011b z historick\u00e9ho hlediska. NFC Forum sice st\u00e1le uv\u00e1d\u00ed specifikaci tag\u016f typu 1, ale podpora typu 1 byla z digit\u00e1ln\u00edho protokolu a dal\u0161\u00edch specifikac\u00ed za\u0159\u00edzen\u00ed odstran\u011bna po\u010d\u00ednaje verz\u00ed technick\u00e9 specifikace z roku 2021. V d\u016fsledku toho je nejlep\u0161\u00ed pova\u017eovat jej za zastaralou technologii NFC, nikoli za b\u011b\u017enou volbu pro nov\u00fd projekt vyu\u017e\u00edvaj\u00edc\u00ed NFC.<\/p>\n\n\n\n

Z toho vypl\u00fdv\u00e1, \u017ee typ 2 je mnohem vhodn\u011bj\u0161\u00edm v\u00fdchoz\u00edm bodem pro jednoduch\u00e9 NFC tagy, kter\u00e9 lid\u00e9 b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed s mobiln\u00edmi telefony.<\/p>\n\n\n\n

\u0160t\u00edtky NFC typu 2<\/strong><\/h2>\n\n\n\n

NFC typu 2 tak\u00e9 komunikuje prost\u0159ednictv\u00edm rozhran\u00ed NFC-A, ale stalo se \u0161iroce pou\u017e\u00edvanou platformou pro univerz\u00e1ln\u00ed NFC tagy. Specifikace NFC Forum typu 2 definuje, jak za\u0159\u00edzen\u00ed NFC detekuje tag a \u010dte nebo zapisuje jeho data NDEF, zat\u00edmco jednotliv\u00ed v\u00fdrobci integrovan\u00fdch obvod\u016f na z\u00e1klad\u011b tohoto r\u00e1mce vyr\u00e1b\u011bj\u00ed \u010dipy s r\u016fzn\u00fdmi velikostmi pam\u011bti a funkcemi.<\/p>\n\n\n\n

Integrovan\u00e9 obvody typu 2 se b\u011b\u017en\u011b vyskytuj\u00ed v NFC \u0161t\u00edtc\u00edch, n\u00e1lepk\u00e1ch, kart\u00e1ch a vestav\u011bn\u00fdch produktov\u00fdch \u0161t\u00edtc\u00edch. Hod\u00ed se zejm\u00e9na pro aplikace, kde mus\u00ed \u0161t\u00edtek obsahovat informace, kter\u00e9 si telefon nebo \u010dte\u010dka m\u016f\u017ee na\u010d\u00edst pouh\u00fdm p\u0159ilo\u017een\u00edm, jako jsou nap\u0159\u00edklad URL adresy, \u00fadaje o produktu, informace o sp\u00e1rov\u00e1n\u00ed nebo digit\u00e1ln\u00ed vizitky. Spole\u010dnost NXP nap\u0159\u00edklad nab\u00edz\u00ed svou \u0159adu NTAG21x pro interakci se z\u00e1kazn\u00edky, ov\u011b\u0159ov\u00e1n\u00ed pravosti produkt\u016f, elektronick\u00e9 cenovky, p\u00e1rov\u00e1n\u00ed p\u0159es Bluetooth nebo Wi-Fi a podobn\u00e1 pou\u017eit\u00ed na masov\u00e9m trhu.<\/p>\n\n\n\n

B\u011b\u017en\u00e9 \u010dipy NFC typu 2<\/strong><\/h3>\n\n\n\n

Typ 2 zahrnuje \u0159adu kompatibiln\u00edch integrovan\u00fdch obvod\u016f. Mezi nej\u010dast\u011bji pou\u017e\u00edvan\u00e9 p\u0159\u00edklady pat\u0159\u00ed NTAG213, NTAG215 a NTAG216, zejm\u00e9na v NFC \u0161t\u00edtc\u00edch, n\u00e1lepk\u00e1ch, kart\u00e1ch a dal\u0161\u00edch univerz\u00e1ln\u00edch zna\u010dk\u00e1ch. V\u0161echny vyu\u017e\u00edvaj\u00ed stejnou komunika\u010dn\u00ed architekturu typu 2, li\u0161\u00ed se v\u0161ak velikost\u00ed u\u017eivatelsk\u00e9 pam\u011bti a n\u011bkter\u00fdmi funkcemi na \u00farovni \u010dipu. <\/p>\n\n\n\n

\u010cip<\/strong><\/td>U\u017eivatelsk\u00e1 pam\u011b\u0165<\/strong><\/td>Typick\u00fd d\u016fvod k pou\u017eit\u00ed<\/strong><\/td><\/tr>
NTAG213<\/strong><\/td>144 bajt\u016f<\/td>Kr\u00e1tk\u00e9 z\u00e1znamy ve form\u00e1tu NDEF, jako jsou b\u011b\u017en\u00e9 adresy URL a z\u00e1kladn\u00ed kontaktn\u00ed \u00fadaje<\/td><\/tr>
NTAG215<\/strong><\/td>504 bajt\u016f<\/td>Aplikace, kter\u00e9 vy\u017eaduj\u00ed v\u011bt\u0161\u00ed objem zak\u00f3dovan\u00fdch dat<\/td><\/tr>
NTAG216<\/strong><\/td>888 bajt\u016f<\/td>Rozs\u00e1hlej\u0161\u00ed zpr\u00e1vy ve form\u00e1tu NDEF, pro kter\u00e9 men\u0161\u00ed \u010dipy neposkytuj\u00ed dostatek m\u00edsta<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Tyto t\u0159i \u010dipy sd\u00edlej\u00ed n\u011bkolik funkc\u00ed nad r\u00e1mec z\u00e1kladn\u00edho ukl\u00e1d\u00e1n\u00ed dat. \u010cip NTAG21x nab\u00edz\u00ed v\u00fdrobcem naprogramovan\u00e9 7-bajtov\u00e9 UID, podpis pravosti zalo\u017een\u00fd na ECC, v ter\u00e9nu programovateln\u00e9 uzam\u010den\u00ed pro \u010dten\u00ed a konfigurovatelnou 32-bitovou ochranu heslem. Heslo m\u016f\u017ee omezit neopr\u00e1vn\u011bn\u00e9 operace s pam\u011bt\u00ed, nem\u011blo by se v\u0161ak zam\u011b\u0148ovat s \u0161ifrovanou komunikac\u00ed NFC. Spole\u010dnost NXP rovn\u011b\u017e ud\u00e1v\u00e1 pro tuto \u0159adu \u017eivotnost 100 000 zapisovac\u00edch cykl\u016f a dobu uchov\u00e1n\u00ed dat po dobu 10 let.<\/p>\n\n\n\n

Hlavn\u00edm d\u016fvodem pro p\u0159echod z NTAG213 na NTAG215 nebo NTAG216 je proto obvykle kapacita<\/strong>, nejedn\u00e1 se o odli\u0161n\u00fd typ \u0161t\u00edtku podle standardu NFC Forum. V\u0161echny t\u0159i z\u016fst\u00e1vaj\u00ed \u0161t\u00edtky typu 2 a komunikuj\u00ed rychlost\u00ed 106 kbit\/s.<\/p>\n\n\n\n

\u0160t\u00edtky NFC typu 3<\/strong><\/h2>\n\n\n\n

NFC typu 3 vyu\u017e\u00edv\u00e1 technologii NFC-F a je kompatibiln\u00ed s japonskou pr\u016fmyslovou normou JIS X 6319-4. Je \u00fazce spjata s technologi\u00ed Sony FeliCa, bezkontaktn\u00ed technologi\u00ed \u0161iroce vyu\u017e\u00edvanou v syst\u00e9mech j\u00edzdenek ve ve\u0159ejn\u00e9 doprav\u011b a v syst\u00e9mech elektronick\u00fdch pen\u011bz, zejm\u00e9na v Japonsku a na dal\u0161\u00edch asijsk\u00fdch trz\u00edch.<\/p>\n\n\n\n

Technologie NFC-F podporuje p\u0159enos dat rychlost\u00ed 212 a 424 kbit\/s, co\u017e vyhovuje aplikac\u00edm vy\u017eaduj\u00edc\u00edm rychl\u00e9 transakce. Technologie FeliCa se rovn\u011b\u017e pou\u017e\u00edv\u00e1 pro \u0159\u00edzen\u00ed p\u0159\u00edstupu a identifikaci, a\u010dkoli typ 3 je u univerz\u00e1ln\u00edch NFC samolepek a \u0161t\u00edtk\u016f m\u00e9n\u011b b\u011b\u017en\u00fd ne\u017e typ 2.<\/p>\n\n\n\n

\u0160t\u00edtky NFC typu 4<\/strong><\/h2>\n\n\n\n

NFC typu 4 vyu\u017e\u00edv\u00e1 protokol ISO-DEP (ISO Data Exchange Protocol) v r\u00e1mci standard\u016f NFC-A nebo NFC-B a je kompatibiln\u00ed s \u0159adou norem ISO\/IEC 14443. Podporuje komunikaci zalo\u017eenou na p\u0159\u00edkazech, kter\u00e1 se pou\u017e\u00edv\u00e1 u bezkontaktn\u00edch \u010dipov\u00fdch karet, a umo\u017e\u0148uje slo\u017eit\u011bj\u0161\u00ed v\u00fdm\u011bnu dat ne\u017e jednodu\u0161\u0161\u00ed architektury \u0161t\u00edtk\u016f.<\/p>\n\n\n\n

MIFARE DESFire pat\u0159\u00ed mezi nejzn\u00e1m\u011bj\u0161\u00ed \u0159ady integrovan\u00fdch obvod\u016f pou\u017e\u00edvan\u00fdch v aplikac\u00edch typu 4. \u010cipy DESFire vyu\u017e\u00edvaj\u00ed komunikaci podle normy ISO\/IEC 14443-4 a produkty jako MIFARE DESFire EV3 jsou kompatibiln\u00ed se standardem NFC Forum Type 4 Tag. \u0160iroce se pou\u017e\u00edvaj\u00ed ve ve\u0159ejn\u00e9 doprav\u011b, p\u0159i \u0159\u00edzen\u00ed p\u0159\u00edstupu, v kampusov\u00fdch kart\u00e1ch a dal\u0161\u00edch identifika\u010dn\u00edch syst\u00e9mech, kde karta mus\u00ed spravovat chr\u00e1n\u011bn\u00e1 data nebo v\u00edce aplikac\u00ed.<\/p>\n\n\n\n

\u010cip MIFARE DESFire EV3 podporuje \u0161ifrov\u00e1n\u00ed AES-128, vz\u00e1jemnou autentizaci, \u0161ifrovanou komunikaci a p\u0159\u00edstupov\u00e1 pr\u00e1va na \u00farovni aplikac\u00ed. Komunikovat m\u016f\u017ee tak\u00e9 rychlost\u00ed 106, 212, 424 nebo 848 kbit\/s. Tyto schopnosti vych\u00e1zej\u00ed ze samotn\u00e9ho integrovan\u00e9ho obvodu DESFire EV3; jin\u00e9 integrovan\u00e9 obvody typu 4 mohou nab\u00edzet odli\u0161n\u00e9 specifikace pam\u011bti, zabezpe\u010den\u00ed a v\u00fdkonu.<\/p>\n\n\n\n

\u0160t\u00edtky NFC typu 5<\/strong><\/h2>\n\n\n\n

NFC typu 5 vyu\u017e\u00edv\u00e1 technologii NFC-V a vych\u00e1z\u00ed z normy ISO\/IEC 15693, kter\u00e1 se pou\u017e\u00edv\u00e1 pro syst\u00e9my RFID s kr\u00e1tk\u00fdm dosahem. Tagy typu 5 podporuj\u00ed interakci NFC s kompatibiln\u00edmi smartphony a z\u00e1rove\u0148 funguj\u00ed s vysokofrekven\u010dn\u00edmi (HF) \u010dte\u010dkami RFID podle normy ISO\/IEC 15693, co\u017e jim zaji\u0161\u0165uje u\u017eite\u010dn\u00e9 uplatn\u011bn\u00ed v aplikac\u00edch kombinuj\u00edc\u00edch mobiln\u00ed p\u0159\u00edstup s identifikac\u00ed na v\u011bt\u0161\u00ed vzd\u00e1lenost.<\/p>\n\n\n\n

NXP ICODE a STMicroelectronics ST25TV jsou zn\u00e1m\u00e9 \u0159ady integrovan\u00fdch obvod\u016f typu 5. Pou\u017e\u00edvaj\u00ed se nap\u0159\u00edklad v oblastech sledov\u00e1n\u00ed majetku, inventarizace, identifikace produkt\u016f a v aplikac\u00edch v r\u00e1mci dodavatelsk\u00e9ho \u0159et\u011bzce. \u0160t\u00edtky typu 5 podporuj\u00ed standard NDEF, tak\u017ee stejn\u00fd \u0161t\u00edtek m\u016f\u017ee poskytovat informace i mobiln\u00edmu telefonu s podporou technologie NFC.<\/p>\n\n\n\n

S vyhrazenou \u010dte\u010dkou HF RFID a vhodnou ant\u00e9nou mohou tagy podle normy ISO\/IEC 15693 fungovat na mnohem v\u011bt\u0161\u00ed vzd\u00e1lenosti ne\u017e v p\u0159\u00edpad\u011b pou\u017eit\u00ed s telefonem. Spole\u010dnost NXP uv\u00e1d\u00ed pro tagy ICODE v kombinaci s \u010dte\u010dkami HF s dlouh\u00fdm dosahem provozn\u00ed vzd\u00e1lenosti a\u017e 1,5 metru, v z\u00e1vislosti na geometrii ant\u00e9ny, zat\u00edmco mobiln\u00ed komunikace NFC z\u016fst\u00e1v\u00e1 v rozsahu n\u011bkolika centimetr\u016f. Syst\u00e9my typu 5 rovn\u011b\u017e podporuj\u00ed funkci anti-kolize, co\u017e \u010dte\u010dce umo\u017e\u0148uje identifikovat v\u00edce tag\u016f v jej\u00edm dosahu.<\/p>\n\n\n\n

Zabezpe\u010den\u00ed se op\u011bt li\u0161\u00ed podle konkr\u00e9tn\u00edho \u010dipu. Nap\u0159\u00edklad ICODE SLIX2 nab\u00edz\u00ed 8-bajtov\u00e9 UID, z\u00e1mek z\u00e1pisu na \u00farovni blok\u016f, 32-bitov\u00fd p\u0159\u00edstup pro \u010dten\u00ed a z\u00e1pis chr\u00e1n\u011bn\u00fd heslem a 32-bajtov\u00fd podpis pravosti. Spole\u010dnost NXP ud\u00e1v\u00e1 \u017eivotnost 100 000 cykl\u016f z\u00e1pisu a 50 let uchov\u00e1n\u00ed dat. Jin\u00e9 integrovan\u00e9 obvody typu 5 nab\u00edzej\u00ed odli\u0161n\u00e9 ochrann\u00e9 mechanismy. <\/p>\n\n\n\n

B\u011b\u017en\u00e9 typy NFC tag\u016f podle fyzick\u00e9ho form\u00e1tu<\/strong><\/h2>\n\n\n\n

NFC tagy se tak\u00e9 b\u011b\u017en\u011b d\u011bl\u00ed podle sv\u00e9 fyzick\u00e9 konstrukce. Stejn\u00fd integrovan\u00fd obvod NFC m\u016f\u017ee b\u00fdt zabudov\u00e1n do velmi odli\u0161n\u00fdch v\u00fdrobk\u016f v z\u00e1vislosti na tom, kde se tag bude pou\u017e\u00edvat, jak\u00fdm zp\u016fsobem bude p\u0159ipevn\u011bn a jakou \u00farove\u0148 ochrany vy\u017eaduje.<\/p>\n\n\n\n

NFC vlo\u017eky<\/strong><\/h3>\n\n\n\n

NFC inlay je funk\u010dn\u00edm j\u00e1drem mnoha hotov\u00fdch NFC \u0161t\u00edtk\u016f. Kombinuje integrovan\u00fd obvod a ant\u00e9nu na tenk\u00e9m substr\u00e1tu a lze jej n\u00e1sledn\u011b zpracovat do podoby \u0161t\u00edtku nebo zabudovat do jin\u00e9ho v\u00fdrobku.<\/p>\n\n\n\n

Such\u00e1 vlo\u017eka obsahuje \u010dip, ant\u00e9nu a substr\u00e1t. Mokr\u00e1 vlo\u017eka obsahuje nav\u00edc lepic\u00ed vrstvu, d\u00edky \u010demu\u017e se sn\u00e1ze laminuje do \u0161t\u00edtk\u016f nebo p\u0159ipev\u0148uje b\u011bhem v\u00fdroby.<\/p>\n\n\n\n

NFC samolepky a \u0161t\u00edtky<\/strong><\/h3>\n\n\n\n
\"n\u00e1lepka<\/figure>\n\n\n\n

NFC samolepky<\/a> a \u0161t\u00edtky<\/a> Um\u00edst\u011bte NFC inlay do tenk\u00e9 samolepic\u00ed konstrukce. \u0160iroce se pou\u017e\u00edvaj\u00ed na obalech, propaga\u010dn\u00edch materi\u00e1lech, \u0161t\u00edtc\u00edch v\u00fdrobk\u016f a dal\u0161\u00edch povr\u0161\u00edch, kde je vhodn\u00e9 pou\u017e\u00edt tenk\u00fd \u010dip.<\/p>\n\n\n\n

Integrovan\u00fd obvod uvnit\u0159 se m\u016f\u017ee li\u0161it v z\u00e1vislosti na konkr\u00e9tn\u00edm pou\u017eit\u00ed. Jednoduch\u00e1 \u0161t\u00edtka s URL adresou m\u016f\u017ee vyu\u017e\u00edvat \u010dip typu 2, jako je nap\u0159\u00edklad NTAG213, zat\u00edmco jin\u00e1 \u0161t\u00edtka m\u016f\u017ee pou\u017e\u00edvat jin\u00fd integrovan\u00fd obvod, pokud je zapot\u0159eb\u00ed v\u011bt\u0161\u00ed pam\u011b\u0165 nebo jin\u00e9 funkce.<\/p>\n\n\n\n

Karty NFC<\/strong><\/h3>\n\n\n\n

U karet NFC jsou \u010dip a ant\u00e9na zabudov\u00e1ny do tuh\u00e9ho nebo polotuh\u00e9ho t\u011bla karty. Mezi b\u011b\u017en\u00e1 pou\u017eit\u00ed pat\u0159\u00ed digit\u00e1ln\u00ed vizitky, \u010dlensk\u00e9 karty, identifika\u010dn\u00ed karty a p\u0159\u00edstupov\u00e9 pr\u016fkazy.<\/p>\n\n\n\n

Samotn\u00fd form\u00e1t karty neur\u010duje, jak\u00e1 technologie NFC je v n\u00ed zabudov\u00e1na. R\u016fzn\u00e9 karty mohou vyu\u017e\u00edvat \u010dipy typu 2, typu 4 nebo jin\u00e9 kompatibiln\u00ed bezkontaktn\u00ed integrovan\u00e9 obvody v z\u00e1vislosti na po\u017eadavc\u00edch syst\u00e9mu.<\/p>\n\n\n\n

NFC kl\u00ed\u010denky<\/strong><\/h3>\n\n\n\n

U NFC p\u0159\u00edv\u011bsk\u016f na kl\u00ed\u010de je \u010dip um\u00edst\u011bn uvnit\u0159 kompaktn\u00edho pouzdra, kter\u00e9 lze nosit na krou\u017eku na kl\u00ed\u010de. D\u00edky t\u00e9to uzav\u0159en\u00e9 konstrukci jsou \u010dip a ant\u00e9na fyzicky l\u00e9pe chr\u00e1n\u011bny ne\u017e v p\u0159\u00edpad\u011b tenk\u00e9 pap\u00edrov\u00e9 \u010di plastov\u00e9 etikety.<\/p>\n\n\n\n

Obvykle se pou\u017e\u00edvaj\u00ed k identifikaci, \u0159\u00edzen\u00ed p\u0159\u00edstupu a v dal\u0161\u00edch aplikac\u00edch, kde je t\u0159eba \u0161t\u00edtek nosit u sebe a opakovan\u011b j\u00edm p\u0159ikl\u00e1dat k \u010dte\u010dce.<\/p>\n\n\n\n

NFC n\u00e1ramky<\/strong><\/h3>\n\n\n\n

N\u00e1ramky s technologi\u00ed NFC kombinuj\u00ed \u010dip a ant\u00e9nu v nositeln\u00e9m za\u0159\u00edzen\u00ed. \u0160iroce se vyu\u017e\u00edvaj\u00ed p\u0159i r\u016fzn\u00fdch akc\u00edch, k identifikaci n\u00e1v\u0161t\u011bvn\u00edk\u016f, pro bezhotovostn\u00ed platby a v p\u0159\u00edstupov\u00fdch syst\u00e9mech.<\/p>\n\n\n\n

Konstrukce se m\u016f\u017ee zna\u010dn\u011b li\u0161it. Silikonov\u00e9 n\u00e1ramky jsou vhodn\u00e9 pro opakovan\u00e9 pou\u017eit\u00ed, zat\u00edmco jednor\u00e1zov\u00e9 n\u00e1ramky na akce mohou b\u00fdt vyrobeny z leh\u010d\u00edch materi\u00e1l\u016f ur\u010den\u00fdch pro krat\u0161\u00ed dobu pou\u017e\u00edv\u00e1n\u00ed.<\/p>\n\n\n\n

NFC \u0161t\u00edtky odoln\u00e9 proti kov\u016fm<\/a><\/strong><\/h3>\n\n\n\n

V\u00fdkon technologie NFC se m\u011bn\u00ed, pokud je b\u011b\u017en\u00fd tag um\u00edst\u011bn p\u0159\u00edmo na kov, proto\u017ee kov ru\u0161\u00ed ant\u00e9nn\u00ed pole tagu. Antimetalov\u00e9 NFC tagy obsahuj\u00ed st\u00edn\u00edc\u00ed nebo izola\u010dn\u00ed vrstvu, kter\u00e1 umo\u017e\u0148uje ant\u00e9n\u011b spr\u00e1vn\u011b fungovat i na kovov\u00fdch povr\u0161\u00edch.<\/p>\n\n\n\n

Hod\u00ed se pro za\u0159\u00edzen\u00ed, n\u00e1\u0159ad\u00ed, stroje a dal\u0161\u00ed kovov\u00e9 p\u0159edm\u011bty, u nich\u017e by standardn\u00ed NFC \u0161t\u00edtek mohl vykazovat nedostate\u010dnou nebo kol\u00edsavou funk\u010dnost.<\/p>\n\n\n\n

Mezi dal\u0161\u00ed fyzick\u00e9 form\u00e1ty pat\u0159\u00ed epoxidov\u00e9 \u0161t\u00edtky, textiln\u00ed \u0161t\u00edtky a zabudovan\u00e9 komponenty NFC. Ty vych\u00e1zej\u00ed ze stejn\u00e9ho z\u00e1kladn\u00edho principu: \u010dip a ant\u00e9na jsou zabaleny do formy, kter\u00e1 vyhovuje dan\u00e9mu prost\u0159ed\u00ed a zam\u00fd\u0161len\u00e9mu pou\u017eit\u00ed.<\/p>\n\n\n\n

M\u00e1 typ NFC tagu vliv na kompatibilitu telefonu a \u010dte\u010dky?<\/strong><\/h2>\n\n\n\n

Kompatibilita telefon\u016f a \u010dte\u010dek z\u00e1vis\u00ed na technologii NFC a protokolu, kter\u00e9 dan\u00e9 za\u0159\u00edzen\u00ed podporuje. Technologie NFC-A, NFC-B, NFC-F, ISO-DEP a NFC-V jsou na hardwarov\u00e9 i softwarov\u00e9 \u00farovni zpracov\u00e1v\u00e1ny odli\u0161n\u011b.<\/p>\n\n\n\n

V p\u0159\u00edpad\u011b iPhone podporuje framework Core NFC od spole\u010dnosti Apple \u010dten\u00ed tag\u016f NFC Forum typu 1 a\u017e 5 ve form\u00e1tu NDEF. \u010cten\u00ed NFC tag\u016f pomoc\u00ed aplikac\u00ed bylo zavedeno s modelem iPhone 7 a spole\u010dnost Apple v syst\u00e9mu iOS 13 roz\u0161\u00ed\u0159ila framework Core NFC tak, aby podporoval z\u00e1pis do form\u00e1tu NDEF a nativn\u00ed p\u0159\u00edstup k tag\u016fm ISO 7816, MIFARE, ISO 15693 a FeliCa na podporovan\u00fdch modelech iPhone.<\/p>\n\n\n\n

Spole\u010dnost Apple tak\u00e9 u model\u016f iPhone XS, XS Max a XR zavedla \u010dten\u00ed NFC tag\u016f na pozad\u00ed. Na iPhonech, kter\u00e9 tuto funkci podporuj\u00ed, lze detekovat NDEF tag, ani\u017e by bylo nutn\u00e9 nejprve spustit aplikaci pro \u010dten\u00ed NFC. Skenov\u00e1n\u00ed na pozad\u00ed je pouze pro \u010dten\u00ed a vy\u017eaduje obsah ve form\u00e1tu NDEF.<\/p>\n\n\n\n

P\u0159\u00edstup k nativn\u00edm tag\u016fm poskytuje aplikac\u00edm v\u011bt\u0161\u00ed kontrolu ne\u017e standardn\u00ed \u010dten\u00ed NDEF. Core NFC nab\u00edz\u00ed rozhran\u00ed pro technologie ISO 15693, FeliCa, ISO 7816 a MIFARE, tak\u017ee aplikace m\u016f\u017ee v p\u0159\u00edpad\u011b pot\u0159eby komunikovat s podporovan\u00fdmi tagy prost\u0159ednictv\u00edm jejich nativn\u00edch protokol\u016f.<\/p>\n\n\n\n

Syst\u00e9m Android tak\u00e9 p\u0159\u00edmo podporuje n\u011bkolik technologi\u00ed NFC, v\u010detn\u011b NFC-A, NFC-B, NFC-F, NFC-V a ISO-DEP. Podpora n\u011bkter\u00fdch propriet\u00e1rn\u00edch technologi\u00ed m\u016f\u017ee z\u00e1viset na hardwarov\u00e9m vybaven\u00ed telefonu v oblasti NFC; nap\u0159\u00edklad syst\u00e9m Android definuje podporu technologie MIFARE Classic jako volitelnou.<\/p>\n\n\n\n

Specializovan\u00e9 \u010dte\u010dky NFC a HF RFID se li\u0161\u00ed je\u0161t\u011b v\u00edce. \u010cte\u010dka m\u016f\u017ee podporovat tagy typu 5 podle normy ISO\/IEC 15693, technologie ISO\/IEC 14443 nebo n\u011bkolik protokol\u016f v jednom za\u0159\u00edzen\u00ed. U projekt\u016f, kter\u00e9 vyu\u017e\u00edvaj\u00ed konkr\u00e9tn\u00ed integrovan\u00fd obvod (IC) nebo nativn\u00ed sadu p\u0159\u00edkaz\u016f, je proto t\u0159eba ov\u011b\u0159it kompatibilitu s konkr\u00e9tn\u00edm telefonem nebo \u010dte\u010dkou, kter\u00e1 bude k tagu p\u0159istupovat.<\/p>\n\n\n\n

\u010casto kladen\u00e9 ot\u00e1zky<\/strong><\/h2>\n\n\n
\n
\n
\n

Jsou NFC \u0161t\u00edtky opakovan\u011b pou\u017eiteln\u00e9?<\/strong><\/h3>\n
\n\n

Mnoho NFC \u0161t\u00edtk\u016f je p\u0159episovateln\u00fdch a lze do nich opakovan\u011b nahr\u00e1vat nov\u00e1 data. To, zda z\u016fstane \u0161t\u00edtek opakovan\u011b pou\u017eiteln\u00fd, z\u00e1vis\u00ed na integrovan\u00e9m obvodu a na tom, jak byla nakonfigurov\u00e1na jeho pam\u011b\u0165. Pokud byla p\u0159\u00edslu\u0161n\u00e1 oblast pam\u011bti trvale uzam\u010dena jako pouze pro \u010dten\u00ed, ji\u017e ji nelze p\u0159epsat.<\/p>\n\n<\/div>\n<\/div>\n

\n

M\u016f\u017ee jeden NFC tag fungovat jak s iPhonem, tak s Androidem?<\/strong><\/h3>\n
\n\n

Ano. Standardn\u00ed NFC tagy ve form\u00e1tu NDEF, zejm\u00e9na b\u011b\u017en\u00e9 tagy typu 2, obvykle funguj\u00ed jak se za\u0159\u00edzen\u00edmi iPhone, tak se za\u0159\u00edzen\u00edmi Android, kter\u00e1 podporuj\u00ed technologii NFC.<\/p>\n

Kompatibilita se m\u016f\u017ee li\u0161it v p\u0159\u00edpad\u011b, \u017ee aplikace pot\u0159ebuje vyu\u017e\u00edvat nativn\u00ed protokol \u010dipu nebo jeho propriet\u00e1rn\u00ed funkce. V takov\u00e9m p\u0159\u00edpad\u011b zkontrolujte, zda c\u00edlen\u00e9 telefony podporuj\u00ed konkr\u00e9tn\u00ed integrovan\u00fd obvod.<\/p>\n\n<\/div>\n<\/div>\n

\n

Mohou NFC tagy fungovat bez p\u0159ipojen\u00ed k internetu?<\/strong><\/h3>\n
\n\n

Ano. Telefon nebo \u010dte\u010dka dok\u00e1\u017ee na\u010d\u00edst data ulo\u017een\u00e1 p\u0159\u00edmo na NFC \u0161t\u00edtku i bez p\u0159ipojen\u00ed k internetu.<\/p>\n

P\u0159\u00edstup k internetu je nutn\u00fd pouze v p\u0159\u00edpad\u011b, \u017ee zna\u010dka odkazuje na online obsah. Nap\u0159\u00edklad ulo\u017een\u00fd textov\u00fd z\u00e1znam lze \u010d\u00edst offline, zat\u00edmco pro na\u010dten\u00ed webov\u00e9 str\u00e1nky s adresou URL je nutn\u00e9 p\u0159ipojen\u00ed k internetu.<\/p>\n\n<\/div>\n<\/div>\n

\n

Lze NFC \u0161t\u00edtky kop\u00edrovat nebo klonovat?<\/strong><\/h3>\n
\n\n

Data ulo\u017een\u00e1 v b\u011b\u017en\u00e9m NFC tagu lze \u010dasto na\u010d\u00edst a zapsat do jin\u00e9ho kompatibiln\u00edho tagu. To, do jak\u00e9 m\u00edry lze p\u016fvodn\u00ed tag reprodukovat, z\u00e1vis\u00ed na integrovan\u00e9m obvodu a jeho bezpe\u010dnostn\u00edch prvc\u00edch.<\/p>\n

N\u011bkter\u00e9 \u010dipy obsahuj\u00ed identifik\u00e1tory naprogramovan\u00e9 v\u00fdrobcem, podpisy ov\u011b\u0159uj\u00edc\u00ed origin\u00e1lnost, ochranu heslem nebo kryptografick\u00e9 ov\u011b\u0159ov\u00e1n\u00ed. D\u00edky t\u011bmto funkc\u00edm m\u016f\u017ee syst\u00e9m rozli\u0161it autentick\u00fd tag od prost\u00e9 kopie jeho ulo\u017een\u00fdch dat ve form\u00e1tu NDEF.<\/p>\n\n<\/div>\n<\/div>\n

\n

Lze NFC \u0161t\u00edtky pou\u017e\u00edvat na kovu?<\/strong><\/h3>\n
\n\n

Ano, ale \u0161t\u00edtky ur\u010den\u00e9 k p\u0159\u00edm\u00e9mu p\u0159ipevn\u011bn\u00ed na kov by m\u011bly pou\u017e\u00edvat konstrukce z nekovov\u00fdch materi\u00e1l\u016f<\/strong>. Tyto \u0161t\u00edtky obsahuj\u00ed st\u00edn\u00edc\u00ed nebo izola\u010dn\u00ed vrstvu, kter\u00e1 zaji\u0161\u0165uje spr\u00e1vnou funkci ant\u00e9ny NFC v bl\u00edzkosti kovov\u00e9ho povrchu.<\/p>\n

Standardn\u00ed NFC \u0161t\u00edtka um\u00edst\u011bn\u00e1 p\u0159\u00edmo na kovov\u00e9m povrchu m\u016f\u017ee vykazovat \u0161patnou \u010ditelnost nebo se nemus\u00ed poda\u0159it ji p\u0159e\u010d\u00edst.<\/p>\n\n<\/div>\n<\/div>\n

\n

Kolik dat m\u016f\u017ee NFC \u0161t\u00edtek ulo\u017eit?<\/strong><\/h3>\n
\n\n

Kapacita pam\u011bti z\u00e1vis\u00ed na typu integrovan\u00e9ho obvodu. Nap\u0159\u00edklad NTAG213 nab\u00edz\u00ed 144 bajt\u016f u\u017eivatelsk\u00e9 pam\u011bti, NTAG215 nab\u00edz\u00ed 504 bajt\u016f a NTAG216 nab\u00edz\u00ed 888 bajt\u016f.<\/p>\n

Kr\u00e1tk\u00e1 URL adresa obvykle zab\u00edr\u00e1 relativn\u011b m\u00e1lo m\u00edsta, zat\u00edmco del\u0161\u00ed text nebo v\u00edce z\u00e1znam\u016f NDEF vy\u017eaduj\u00ed v\u00edce pam\u011bti. U aplikac\u00ed, kter\u00e9 ukl\u00e1daj\u00ed v\u00edce ne\u017e jen jednoduch\u00fd odkaz, si p\u0159ed v\u00fdb\u011brem \u010dipu zkontrolujte velikost zak\u00f3dovan\u00e9ho NDEF.<\/p>\n\n<\/div>\n<\/div>\n

\n

Kter\u00fd typ NFC tagu je nejvhodn\u011bj\u0161\u00ed pro v\u011bt\u0161inu projekt\u016f se smartphony?<\/strong><\/h3>\n
\n\n

Standard NFC Forum Type 2 p\u0159edstavuje nejprakti\u010dt\u011bj\u0161\u00ed volbu pro mnoho b\u011b\u017en\u00fdch projekt\u016f vyu\u017e\u00edvaj\u00edc\u00edch smartphony. Je \u0161iroce pou\u017e\u00edv\u00e1n pro NFC samolepky, \u0161t\u00edtky, karty a podobn\u00e9 produkty, kter\u00e9 ukl\u00e1daj\u00ed URL adresy, kontaktn\u00ed \u00fadaje, \u00fadaje o produktech nebo jin\u00fd obsah ve form\u00e1tu NDEF.<\/p>\n

Pro kr\u00e1tk\u00e9 z\u00e1znamy, jako jsou nap\u0159\u00edklad adresy URL, \u010dasto posta\u010duje NTAG213. NTAG215 a NTAG216 nab\u00edzej\u00ed v\u011bt\u0161\u00ed u\u017eivatelskou pam\u011b\u0165 v p\u0159\u00edpadech, kdy je t\u0159eba na \u0161t\u00edtku ulo\u017eit rozs\u00e1hlej\u0161\u00ed zpr\u00e1vy ve form\u00e1tu NDEF.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n

Najd\u011bte si ten spr\u00e1vn\u00fd NFC tag pro va\u0161i aplikaci<\/strong><\/h2>\n\n\n\n

Pot\u0159ebujete pomoci s v\u00fdb\u011brem spr\u00e1vn\u00e9ho typu NFC \u0161t\u00edtku? Dod\u00e1v\u00e1me a p\u0159izp\u016fsobujeme NFC \u0161t\u00edtky pro r\u016fzn\u00e9 produkty, prost\u0159ed\u00ed a po\u017eadavky na \u010dten\u00ed.<\/p>\n\n\n\n

Sd\u011blte n\u00e1m, k \u010demu bude \u0161t\u00edtek slou\u017eit, a my v\u00e1m pom\u016f\u017eeme vybrat vhodn\u00e9 NFC \u0159e\u0161en\u00ed pro v\u00e1\u0161 projekt.<\/p>","protected":false},"excerpt":{"rendered":"

NFC tags may look simple from the outside, but the technology inside them is not all the same. NFC operates […]<\/p>\n","protected":false},"author":4,"featured_media":16210,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"right-sidebar","site-content-layout":"","ast-site-content-layout":"normal-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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-16173","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/custom-rfid-tags.com\/cs\/wp-json\/wp\/v2\/posts\/16173","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/custom-rfid-tags.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/custom-rfid-tags.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/custom-rfid-tags.com\/cs\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/custom-rfid-tags.com\/cs\/wp-json\/wp\/v2\/comments?post=16173"}],"version-history":[{"count":5,"href":"https:\/\/custom-rfid-tags.com\/cs\/wp-json\/wp\/v2\/posts\/16173\/revisions"}],"predecessor-version":[{"id":16218,"href":"https:\/\/custom-rfid-tags.com\/cs\/wp-json\/wp\/v2\/posts\/16173\/revisions\/16218"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/custom-rfid-tags.com\/cs\/wp-json\/wp\/v2\/media\/16210"}],"wp:attachment":[{"href":"https:\/\/custom-rfid-tags.com\/cs\/wp-json\/wp\/v2\/media?parent=16173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/custom-rfid-tags.com\/cs\/wp-json\/wp\/v2\/categories?post=16173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/custom-rfid-tags.com\/cs\/wp-json\/wp\/v2\/tags?post=16173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}