# NFCFYI — Full Reference

> The world's most comprehensive NFC chip encyclopedia and toolkit.
> 47 NFC chips with full technical specifications.

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## NFC Chips (47)
- [NTAG 210](https://nfcfyi.com/chip/ntag210/.md): NTAG 210: NXP entry-level NFC tag with 48 bytes user memory and password protection. Ideal for smart labels and one-tap URL sharing.
- [NTAG 210µ (Micro)](https://nfcfyi.com/chip/ntag210-micro/.md): NTAG 210µ Micro: ultra-compact NFC tag for jewelry and medical patches. 48 bytes user memory in the smallest die package.
- [NTAG 212](https://nfcfyi.com/chip/ntag212/.md): NTAG 212: mid-range NFC tag with 128 bytes user memory. Cost-effective option between NTAG 210 and NTAG 213 for URL encoding.
- [NTAG 213](https://nfcfyi.com/chip/ntag213/.md): NTAG 213: world's most popular NFC tag with 144 bytes, password protection, and originality signature. Universal smartphone compatibility.
- [NTAG 213F](https://nfcfyi.com/chip/ntag213f/.md): NTAG 213F: NFC tag with field-detect wake-up pin. 144 bytes memory plus FD output for power-efficient IoT trigger applications.
- [NTAG 215](https://nfcfyi.com/chip/ntag215/.md): NTAG 215: 504-byte NFC tag used in Nintendo amiibo. Ideal for gaming collectibles, vCards, and extended URL applications.
- [NTAG 216](https://nfcfyi.com/chip/ntag216/.md): NTAG 216: largest NTAG 21x with 888 bytes for full vCards and multi-record tags. Top choice for digital business cards.
- [NTAG 223 DNA](https://nfcfyi.com/chip/ntag223/.md): NTAG 223 DNA: secure Type 2 NFC tag with AES-128 and SUN authentication. Rolling codes for cloud-verified product authenticity.
- [NTAG 224 DNA](https://nfcfyi.com/chip/ntag224/.md): NTAG 224 DNA: Type 4 NFC tag with AES-128 SUN and APDU commands. Enhanced security for product authentication and anti-counterfeiting.
- [NTAG 413 DNA](https://nfcfyi.com/chip/ntag413/.md): NTAG 413 DNA: first NXP tag with Secure Dynamic Messaging. AES-128 unique URLs for cloud-verified product authentication.
- [NTAG 424 DNA](https://nfcfyi.com/chip/ntag424/.md): NTAG 424 DNA: NXP's flagship authentication tag with AES-128 SDM. Gold standard for luxury brand and pharma anti-counterfeiting.
- [NTAG 5 Link](https://nfcfyi.com/chip/ntag5-link/.md): NTAG 5 Link: Type 5 NFC tag with I2C bridge for IoT. 888 bytes with energy harvesting and NFC-to-microcontroller data transfer.
- [MIFARE Ultralight](https://nfcfyi.com/chip/mifare-ultralight/.md): MIFARE Ultralight: low-cost NFC tag for disposable transit tickets and event wristbands. 48 bytes with OTP lock bits.
- [MIFARE Ultralight C](https://nfcfyi.com/chip/mifare-ultralight-c/.md): MIFARE Ultralight C: NFC tag with 3DES encryption and 144 bytes. Secure multi-trip transit and limited-use access applications.
- [MIFARE Ultralight AES](https://nfcfyi.com/chip/mifare-ultralight-aes/.md): MIFARE Ultralight AES: modern AES-128 NFC tag for secure ticketing. 144 bytes with transaction MAC and originality signature.
- [MIFARE Ultralight EV1](https://nfcfyi.com/chip/mifare-ultralight-ev1/.md): MIFARE Ultralight EV1: industry standard for disposable transit tickets with password protection. Low-cost mass deployment.
- [MIFARE Classic 1K](https://nfcfyi.com/chip/mifare-classic-1k/.md): MIFARE Classic 1K: 1 KB contactless card with Crypto-1. World's most deployed legacy card for transit and access control.
- [MIFARE Classic 4K](https://nfcfyi.com/chip/mifare-classic-4k/.md): MIFARE Classic 4K: extended 4 KB contactless card with 40 sectors. Legacy transit and campus card with Crypto-1 security.
- [MIFARE Plus SE](https://nfcfyi.com/chip/mifare-plus-se/.md): MIFARE Plus SE: AES-128 upgrade from Classic with backward compatibility. Secure migration path for legacy transit systems.
- [MIFARE Plus EV2](https://nfcfyi.com/chip/mifare-plus-ev2/.md): MIFARE Plus EV2: AES-128 with proximity check anti-relay. Multi-level security migration from Classic to full AES.
- [MIFARE DESFire EV1](https://nfcfyi.com/chip/mifare-desfire-ev1/.md): MIFARE DESFire EV1: multi-app smart card with 3DES/AES-128. Industry standard for transit and access in 2-8 KB configurations.
- [MIFARE DESFire EV2](https://nfcfyi.com/chip/mifare-desfire-ev2/.md): MIFARE DESFire EV2: proximity-check smart card with AES-128 and transaction MAC. Relay attack prevention for transit and access.
- [MIFARE DESFire EV3](https://nfcfyi.com/chip/mifare-desfire-ev3/.md): MIFARE DESFire EV3: most secure NXP smart card with AES-128 SUN/SDM. Industry standard for transit, access, and credentials.
- [MIFARE DESFire Light](https://nfcfyi.com/chip/mifare-desfire-light/.md): MIFARE DESFire Light: cost-optimized DESFire with AES-128 and transaction MAC. Single-purpose transit and access security.
- [ICODE SLIX](https://nfcfyi.com/chip/icode-slix/.md): ICODE SLIX: ISO 15693 NFC-V tag for library management. 112 bytes with EAS security gate support and long-range reading.
- [ICODE SLIX2](https://nfcfyi.com/chip/icode-slix2/.md): ICODE SLIX2: most popular library RFID tag with 312 bytes and originality signature. ISO 15693 with EAS security gates.
- [ICODE SLIX-S](https://nfcfyi.com/chip/icode-slix-s/.md): ICODE SLIX-S: mid-range ISO 15693 tag with 256 bytes and originality check. Cost-effective library and asset tracking.
- [ICODE DNA](https://nfcfyi.com/chip/icode-dna/.md): ICODE DNA: premium ISO 15693 tag with AES-128 mutual auth and 2 KB memory. Secure supply chain and brand protection.
- [ICODE ILT](https://nfcfyi.com/chip/icode-ilt/.md): ICODE ILT: item-level RFID tag for retail fashion. ISO 15693 with compact die for clothing labels and inventory tracking.
- [ST25TA](https://nfcfyi.com/chip/st25ta/.md): ST25TA: STMicro Type 4 NFC tag with 2 KB and APDU file system. Smart packaging and product information applications.
- [ST25TV](https://nfcfyi.com/chip/st25tv/.md): ST25TV: ISO 15693 tag with tamper detection output. Warranty seals and pharmaceutical anti-tampering with 256 bytes.
- [ST25TN](https://nfcfyi.com/chip/st25tn/.md): ST25TN: ISO 15693 tag with AES augmented NDEF for cloud authentication. Long-range product verification like NXP SUN/SDM.
- [ST25DV](https://nfcfyi.com/chip/st25dv/.md): ST25DV: dynamic NFC tag with I2C bridge for IoT. Energy harvesting, mailbox messaging, and 4 KB for sensor applications.
- [FeliCa Lite](https://nfcfyi.com/chip/felica-lite/.md): FeliCa Lite: low-cost Sony NFC tag at 212 kbps with one-way MAC. Event tickets, coupons, and basic stored-value cards.
- [FeliCa Lite-S](https://nfcfyi.com/chip/felica-lite-s/.md): FeliCa Lite-S: enhanced Sony NFC tag with mutual MAC auth at 212 kbps. Multi-use transit and stored-value applications.
- [FeliCa Standard](https://nfcfyi.com/chip/felica-standard/.md): FeliCa Standard: Sony's flagship smart card for Japan's Suica/PASMO transit. Sub-100ms transactions at 424 kbps with 3DES.
- [SLE 66R01P](https://nfcfyi.com/chip/sle66r01p/.md): SLE 66R01P: Infineon security controller with 3DES for ePassports. CC-certified tamper-resistant design for government ID.
- [SLE 66R04P](https://nfcfyi.com/chip/sle66r04p/.md): SLE 66R04P: 4 KB Infineon security controller for biometric passports. Extended storage for EAC certificate chains.
- [NAC1080](https://nfcfyi.com/chip/nac1080/.md): NAC1080: Infineon SECORA secure element with AES/ECC/RSA and 8 KB. Java Card OS for healthcare and digital identity.
- [SLC17 series](https://nfcfyi.com/chip/slc17/.md): SLC17: Infineon dual-interface controller for banking cards. 3DES/AES with contact ISO 7816 and contactless ISO 14443.
- [RF430FRL152H](https://nfcfyi.com/chip/rf430frl152h/.md): RF430FRL152H: TI NFC sensor transponder with 14-bit ADC and 2 KB FRAM. Batteryless sensing for medical and cold-chain IoT.
- [TRF7970A](https://nfcfyi.com/chip/trf7970a/.md): TRF7970A: TI multi-protocol NFC reader IC for ISO 14443/15693/FeliCa. Builds POS terminals, kiosks, and industrial readers.
- [Topaz 96](https://nfcfyi.com/chip/topaz-96/.md): Topaz 96: Broadcom NFC Forum Type 1 reference tag with 90 bytes. Legacy NFC conformance testing and standard validation.
- [Topaz 512](https://nfcfyi.com/chip/topaz-512/.md): Topaz 512: extended Type 1 NFC tag with 462 bytes and lock bits. Broadcom reference for NFC Forum Type 1 applications.
- [NTAG 424 DNA TagTamper](https://nfcfyi.com/chip/ntag424-dna-tagtamper/.md): NTAG 424 DNA TagTamper: AES-128 authentication plus physical tamper loop. Pharma serialization and luxury brand protection.
- [EM4233](https://nfcfyi.com/chip/em4233/.md): EM4233: cost-effective ISO 15693 tag for libraries and industrial assets. 224 bytes with robust wide-temperature performance.
- [M24LR](https://nfcfyi.com/chip/m24lr/.md): M24LR: STMicro dual-interface EEPROM with ISO 15693 RF and I2C. Energy harvesting for battery-free IoT sensors and loggers.

## Chip Families (13)
- [NTAG](https://nfcfyi.com/family/ntag/.md): NXP's NTAG family is the most widely deployed NFC tag platform in the world, des
- [MIFARE](https://nfcfyi.com/family/mifare/.md): NXP's MIFARE is the world's most widely installed contactless smart card technol
- [ICODE](https://nfcfyi.com/family/icode/.md): NXP's ICODE family provides long-range NFC and RFID solutions based on ISO 15693
- [ST25](https://nfcfyi.com/family/st25/.md): STMicroelectronics' ST25 family offers a comprehensive range of NFC tag ICs cove
- [M24LR](https://nfcfyi.com/family/m24lr/.md): STMicroelectronics' M24LR is a dual-interface EEPROM that combines ISO 15693 con
- [FeliCa](https://nfcfyi.com/family/felica/.md): Sony's FeliCa (Felicity Card) is a high-speed contactless smart card technology 
- [SLE](https://nfcfyi.com/family/sle/.md): Infineon's SLE family comprises security controller ICs designed for high-assura
- [SECORA](https://nfcfyi.com/family/secora/.md): Infineon's SECORA platform provides turnkey secure element solutions for mobile 
- [SLC](https://nfcfyi.com/family/slc/.md): Infineon's SLC (Security Controller) family offers dual-interface chips that sup
- [RF430](https://nfcfyi.com/family/rf430/.md): Texas Instruments' RF430 family combines NFC transponder functionality with inte
- [TRF](https://nfcfyi.com/family/trf/.md): Texas Instruments' TRF family provides multi-protocol NFC transceiver ICs for bu
- [Topaz](https://nfcfyi.com/family/topaz/.md): Broadcom's Topaz chips are the reference implementation for NFC Forum Type 1 tag
- [EM](https://nfcfyi.com/family/em/.md): EM Microelectronic's EM family provides ISO 15693 compliant NFC/RFID tag ICs opt

## Manufacturers (10)
- [NXP Semiconductors](https://nfcfyi.com/manufacturer/nxp/.md): NXP Semiconductors is the world's largest NFC chip manufacturer, headquartered i
- [STMicroelectronics](https://nfcfyi.com/manufacturer/stmicro/.md): STMicroelectronics is a major European semiconductor company offering a comprehe
- [Sony](https://nfcfyi.com/manufacturer/sony/.md): Sony developed FeliCa, one of the earliest contactless smart card technologies, 
- [Infineon Technologies](https://nfcfyi.com/manufacturer/infineon/.md): Infineon Technologies is a German semiconductor company with strong expertise in
- [Texas Instruments](https://nfcfyi.com/manufacturer/ti/.md): Texas Instruments offers NFC solutions focused on sensor transponders and multi-
- [Broadcom](https://nfcfyi.com/manufacturer/broadcom/.md): Broadcom's NFC contributions include the Topaz chip family, which served as the 
- [EM Microelectronic](https://nfcfyi.com/manufacturer/em-micro/.md): EM Microelectronic, a subsidiary of the Swatch Group, specializes in ultra-low-p
- [Panasonic](https://nfcfyi.com/manufacturer/panasonic/.md): Panasonic provides NFC controller and frontend ICs used in consumer electronics 
- [Samsung Semiconductor](https://nfcfyi.com/manufacturer/samsung-semi/.md): Samsung Semiconductor develops secure element (SE) solutions for mobile NFC appl
- [Inside Secure (now Verimatrix)](https://nfcfyi.com/manufacturer/inside-secure/.md): Inside Secure, now part of Verimatrix, was a French fabless semiconductor compan

## Standards (12)
- [ISO/IEC 14443](https://nfcfyi.com/standard/iso-14443/.md): ISO/IEC 14443 is the foundational international standard for proximity contactle
- [ISO/IEC 14443-3A (NFC-A)](https://nfcfyi.com/standard/iso-14443-3a/.md): ISO/IEC 14443-3A (NFC-A) defines the initialization and anti-collision mechanism
- [ISO/IEC 14443-3B (NFC-B)](https://nfcfyi.com/standard/iso-14443-3b/.md): ISO/IEC 14443-3B (NFC-B) defines the initialization and anti-collision mechanism
- [ISO/IEC 14443-4](https://nfcfyi.com/standard/iso-14443-4/.md): ISO/IEC 14443-4 defines the transmission protocol layer for proximity contactles
- [ISO/IEC 15693 (NFC-V)](https://nfcfyi.com/standard/iso-15693/.md): ISO/IEC 15693 (NFC-V) defines the vicinity coupling standard for contactless ide
- [JIS X 6319-4 (NFC-F / FeliCa)](https://nfcfyi.com/standard/jis-x-6319-4/.md): JIS X 6319-4 is the Japanese Industrial Standard that formalizes Sony's FeliCa c
- [ISO/IEC 18092 (NFCIP-1)](https://nfcfyi.com/standard/iso-18092/.md): ISO/IEC 18092 (NFCIP-1) defines the fundamental NFC communication interface and 
- [ISO/IEC 21481 (NFCIP-2)](https://nfcfyi.com/standard/iso-21481/.md): ISO/IEC 21481 (NFCIP-2) defines the mode switching mechanism that allows an NFC 
- [ISO/IEC 7816-4](https://nfcfyi.com/standard/iso-7816-4/.md): ISO/IEC 7816-4 defines the APDU (Application Protocol Data Unit) command structu
- [ECMA-340](https://nfcfyi.com/standard/ecma-340/.md): ECMA-340 is Ecma International's specification for NFC interface and protocol, t
- [NFC Data Exchange Format (NDEF)](https://nfcfyi.com/standard/ndef-spec/.md): NDEF (NFC Data Exchange Format) is the NFC Forum's standard message format for e
- [EMV Contactless Specifications](https://nfcfyi.com/standard/emv-contactless/.md): EMV Contactless Specifications define the communication interface between paymen

## Operating Modes (3)
- [Reader/Writer Mode](https://nfcfyi.com/mode/reader-writer/.md): In reader/writer mode, the NFC device generates an RF field and communicates wit
- [Card Emulation Mode](https://nfcfyi.com/mode/card-emulation/.md): In card emulation mode, the NFC device behaves as a contactless smart card, resp
- [Peer-to-Peer Mode](https://nfcfyi.com/mode/peer-to-peer/.md): In peer-to-peer mode, two NFC devices exchange data bidirectionally without requ

## NDEF Record Types (10)
- [Text Record](https://nfcfyi.com/ndef/ndef-text/.md): The NDEF Text record encodes human-readable plain text in UTF-8 or UTF-16 encodi
- [URI Record](https://nfcfyi.com/ndef/ndef-uri/.md): The NDEF URI record stores web addresses and other URIs using a compact encoding
- [Smart Poster](https://nfcfyi.com/ndef/ndef-smart-poster/.md): The NDEF Smart Poster record combines a URI with optional title text, icons, and
- [MIME Type Record](https://nfcfyi.com/ndef/ndef-mime/.md): The NDEF MIME Type record stores arbitrary content identified by a standard RFC 
- [Absolute URI Record](https://nfcfyi.com/ndef/ndef-absolute-uri/.md): The NDEF Absolute URI record stores a full URI without the prefix compression us
- [Handover Select](https://nfcfyi.com/ndef/ndef-handover-select/.md): The NDEF Handover Select record is the response message in NFC connection handov
- [Handover Request](https://nfcfyi.com/ndef/ndef-handover-request/.md): The NDEF Handover Request record initiates NFC connection handover by listing th
- [Signature Record](https://nfcfyi.com/ndef/ndef-signature/.md): The NDEF Signature record provides digital signature verification for NDEF messa
- [Android Application Record (AAR)](https://nfcfyi.com/ndef/ndef-aar/.md): The Android Application Record (AAR) forces an Android device to launch a specif
- [vCard Record](https://nfcfyi.com/ndef/ndef-vcard/.md): The NDEF vCard record stores contact information in vCard (VCF) format as a MIME

## Use Cases (25)
- [Event Ticketing](https://nfcfyi.com/use-case/event-ticketing/.md): NFC-enabled wristbands, cards, and badges for event access control and cashless 
- [Gaming Collectibles](https://nfcfyi.com/use-case/gaming-collectibles/.md): NFC-powered physical gaming figurines and cards that interact with video games, 
- [Product Authentication](https://nfcfyi.com/use-case/product-authentication/.md): Anti-counterfeiting NFC tags embedded in luxury goods, pharmaceuticals, wines, a
- [Transit & Payments](https://nfcfyi.com/use-case/transit-payments/.md): Contactless transit cards and payment credentials for public transportation and 
- [Smart Home Automation](https://nfcfyi.com/use-case/smart-home-automation/.md): NFC tags placed around the home that trigger automations when tapped with a smar
- [Brand Loyalty Programs](https://nfcfyi.com/use-case/brand-loyalty/.md): NFC-enabled loyalty cards and reward systems that let customers earn points, red
- [Library Asset Tracking](https://nfcfyi.com/use-case/library-tracking/.md): RFID/NFC tags for automated library book check-in/check-out, inventory, and thef
- [Retail Inventory](https://nfcfyi.com/use-case/retail-inventory/.md): NFC/RFID tags for retail stock management, enabling rapid item-level inventory c
- [Access Control](https://nfcfyi.com/use-case/access-control/.md): NFC-based physical access control systems for offices, buildings, and restricted
- [Medical Records](https://nfcfyi.com/use-case/medical-records/.md): NFC tags for patient identification, medical device tracking, and drug administr
- [Supply Chain IoT](https://nfcfyi.com/use-case/supply-chain-iot/.md): NFC sensor tags for cold-chain monitoring, condition tracking, and logistics vis
- [WiFi Pairing](https://nfcfyi.com/use-case/wifi-pairing/.md): NFC tags that auto-configure WiFi connections on smartphones when tapped. The ta
- [Bluetooth Device Pairing](https://nfcfyi.com/use-case/bluetooth-pairing/.md): NFC-initiated Bluetooth connection handover for instant pairing of speakers, hea
- [URL Sharing](https://nfcfyi.com/use-case/url-sharing/.md): NFC tags programmed with web links that open automatically when tapped with a sm
- [Contactless Advertising](https://nfcfyi.com/use-case/contactless-advertising/.md): Smart poster NFC tags in advertising displays, billboards, and point-of-sale mat
- [Mobile Payments](https://nfcfyi.com/use-case/mobile-payments/.md): NFC technology in smartphones enabling contactless payment through digital walle
- [Hotel Keycards](https://nfcfyi.com/use-case/hotel-keycards/.md): NFC-based hotel room access cards replacing traditional magnetic stripe keys. Mo
- [Personalized Merchandise](https://nfcfyi.com/use-case/personalized-merchandise/.md): NFC tags embedded in merchandise that deliver personalized digital content when 
- [Drug Supply Authentication](https://nfcfyi.com/use-case/drug-authentication/.md): Tamper-evident NFC tags for pharmaceutical supply chain authentication and anti-
- [Parking & Garage Access](https://nfcfyi.com/use-case/parking-access/.md): NFC cards and mobile credentials for automated parking facility access. Drivers 
- [App Launcher](https://nfcfyi.com/use-case/app-launcher/.md): NFC tags programmed to automatically launch specific apps when tapped on an Andr
- [Digital Business Cards](https://nfcfyi.com/use-case/digital-business-cards/.md): NFC-powered contact sharing cards and tags that transfer contact information to 
- [Vehicle Pairing](https://nfcfyi.com/use-case/vehicle-pairing/.md): NFC for digital car keys, infotainment system pairing, and vehicle access contro
- [Manufacturing Test & Trace](https://nfcfyi.com/use-case/manufacturing-test/.md): NFC tags for production line tracking, quality assurance, and traceability in ma
- [Wearable Device Sync](https://nfcfyi.com/use-case/wearable-sync/.md): NFC for pairing and syncing wearable devices like smartwatches, fitness trackers

## Guides (55)
- [Android NFC Programming Guide](https://nfcfyi.com/guide/android-nfc-programming/.md)
- [Building an NFC-Based Product](https://nfcfyi.com/guide/building-nfc-product/.md)
- [ESP32 NFC Development](https://nfcfyi.com/guide/esp32-nfc/.md)
- [Flutter NFC Development Guide](https://nfcfyi.com/guide/flutter-nfc/.md)
- [How to Read and Write NFC Tags](https://nfcfyi.com/guide/how-to-read-write-nfc-tags/.md)
- [iOS Core NFC Programming Guide](https://nfcfyi.com/guide/ios-core-nfc-programming/.md)
- [ISO 14443 Protocol Deep Dive](https://nfcfyi.com/guide/iso-14443-deep-dive/.md)
- [MIFARE Classic Security Analysis](https://nfcfyi.com/guide/mifare-classic-security/.md)
- [MIFARE Classic to DESFire Migration](https://nfcfyi.com/guide/mifare-classic-desfire-migration/.md)
- [Multi-Tag Polling and Collision Resolution](https://nfcfyi.com/guide/nfc-multi-tag-polling/.md)
- [NDEF Specification Deep Dive](https://nfcfyi.com/guide/ndef-specification-deep-dive/.md)
- [NFC Antenna Design Guide](https://nfcfyi.com/guide/nfc-antenna-design/.md)
- [NFC Antenna Matching Guide](https://nfcfyi.com/guide/nfc-antenna-matching/.md)
- [NFC Anti-Counterfeiting Guide](https://nfcfyi.com/guide/nfc-anti-counterfeiting/.md)
- [NFC App UX Design Patterns](https://nfcfyi.com/guide/nfc-app-ux/.md)
- [NFC Chips Compared](https://nfcfyi.com/guide/nfc-chip-comparison-guide/.md)
- [NFC Digital Business Cards](https://nfcfyi.com/guide/nfc-digital-business-card/.md)
- [NFC for Beginners: Your First Project](https://nfcfyi.com/guide/nfc-first-project/.md)
- [NFC for Events and Festivals](https://nfcfyi.com/guide/nfc-events-festivals/.md)
- [NFC for Payments](https://nfcfyi.com/guide/nfc-payments-how-it-works/.md)
- [NFC for Smart Home Automation](https://nfcfyi.com/guide/nfc-smart-home-automation/.md)
- [NFC for Wine and Spirits Authentication](https://nfcfyi.com/guide/nfc-wine-spirits/.md)
- [NFC in Automotive](https://nfcfyi.com/guide/nfc-automotive/.md)
- [NFC in Healthcare](https://nfcfyi.com/guide/nfc-in-healthcare/.md)
- [NFC in Logistics and Supply Chain](https://nfcfyi.com/guide/nfc-logistics/.md)
- [NFC in Public Transit](https://nfcfyi.com/guide/nfc-transit/.md)
- [NFC in Retail](https://nfcfyi.com/guide/nfc-retail/.md)
- [NFC on Metal Surfaces](https://nfcfyi.com/guide/nfc-on-metal/.md)
- [NFC Pet Tags and Animal ID](https://nfcfyi.com/guide/nfc-pet-tag/.md)
- [NFC Reader Firmware Development](https://nfcfyi.com/guide/nfc-reader-firmware/.md)
- [NFC Reader Modules Compared](https://nfcfyi.com/guide/nfc-reader-modules-compared/.md)
- [NFC Relay Attack Explained](https://nfcfyi.com/guide/nfc-relay-attack/.md)
- [NFC Security Deep Dive](https://nfcfyi.com/guide/nfc-security-deep-dive/.md)
- [NFC Standards Reference Guide](https://nfcfyi.com/guide/nfc-standards-reference/.md)
- [NFC Tag Durability and Lifespan](https://nfcfyi.com/guide/nfc-tag-durability/.md)
- [NFC Tag Encoding Best Practices](https://nfcfyi.com/guide/nfc-encoding-best-practices/.md)
- [NFC Tag Form Factors Guide](https://nfcfyi.com/guide/nfc-tag-form-factors/.md)
- [NFC Tag Not Detected: Diagnosis Guide](https://nfcfyi.com/guide/nfc-tag-not-detected/.md)
- [NFC Tag Ordering Guide](https://nfcfyi.com/guide/nfc-ordering-guide/.md)
- [NFC Tag Types Explained](https://nfcfyi.com/guide/nfc-tag-types-explained/.md)
- [NFC Testing Methodology](https://nfcfyi.com/guide/nfc-testing-methodology/.md)
- [NFC Troubleshooting Guide](https://nfcfyi.com/guide/nfc-troubleshooting-guide/.md)
- [NFC vs RFID: Detailed Comparison](https://nfcfyi.com/guide/nfc-vs-rfid-comparison/.md)
- [NFC with Apple Shortcuts](https://nfcfyi.com/guide/nfc-apple-shortcuts/.md)
- [NFC with Arduino and Raspberry Pi](https://nfcfyi.com/guide/nfc-arduino-raspberry-pi/.md)
- [NFC with Home Assistant](https://nfcfyi.com/guide/nfc-home-assistant/.md)
- [NFC with Tasker for Android](https://nfcfyi.com/guide/nfc-tasker/.md)
- [NFC Write Failures and Recovery](https://nfcfyi.com/guide/nfc-write-failures/.md)
- [PN532 Complete Guide](https://nfcfyi.com/guide/pn532-guide/.md)
- [PN7150 NFC Controller Guide](https://nfcfyi.com/guide/pn7150-guide/.md)
- [Python NFC Programming Guide](https://nfcfyi.com/guide/python-nfc/.md)
- [React Native NFC Guide](https://nfcfyi.com/guide/react-native-nfc/.md)
- [ST25R NFC Reader IC Guide](https://nfcfyi.com/guide/st25r-guide/.md)
- [Web NFC API Guide](https://nfcfyi.com/guide/web-nfc-api-guide/.md)
- [What Is NFC? A Complete Introduction](https://nfcfyi.com/guide/what-is-nfc/.md)

## Key Glossary Terms
- [AES Encryption](https://nfcfyi.com/glossary/aes-encryption/.md): Advanced Encryption Standard (AES) with 128-bit keys used in modern NFC chips (N
- [Card Emulation Mode](https://nfcfyi.com/glossary/card-emulation-mode/.md): An NFC operating mode where the device behaves as a contactless smart card. Used
- [Contactless Payment](https://nfcfyi.com/glossary/contactless-payment/.md): NFC-based payment systems where a consumer taps their phone, card, or wearable o
- [Crypto-1](https://nfcfyi.com/glossary/crypto-1/.md): A proprietary stream cipher used exclusively in MIFARE Classic chips. Crypto-1 w
- [HCE (Host Card Emulation)](https://nfcfyi.com/glossary/hce/.md): A technology that allows Android smartphones to emulate NFC smart cards without 
- [ISO 14443](https://nfcfyi.com/glossary/iso-14443/.md): The international standard for proximity contactless smart cards operating at 13
- [ISO 15693](https://nfcfyi.com/glossary/iso-15693/.md): The international standard for vicinity coupling smart cards operating at 13.56 
- [NDEF (NFC Data Exchange Format)](https://nfcfyi.com/glossary/ndef/.md): The standardized data format defined by the NFC Forum for storing and exchanging
- [Near Field Communication (NFC)](https://nfcfyi.com/glossary/near-field-communication/.md): A set of short-range wireless communication protocols operating at 13.56 MHz tha
- [NFC Antenna](https://nfcfyi.com/glossary/nfc-antenna/.md): A flat coil antenna (typically copper or aluminum) etched or wound on a substrat
- [NFC Chip (IC)](https://nfcfyi.com/glossary/nfc-chip/.md): The integrated circuit at the heart of an NFC tag that contains memory (EEPROM),
- [NFC Forum](https://nfcfyi.com/glossary/nfc-forum/.md): An industry association formed in 2004 by NXP Semiconductors, Sony, and Nokia th
- [NFC Reader](https://nfcfyi.com/glossary/nfc-reader/.md): An active NFC device that generates an RF field and initiates communication with
- [NFC Tag](https://nfcfyi.com/glossary/nfc-tag/.md): A small, unpowered electronic device containing an NFC chip and antenna that sto
- [NTAG DNA (Technology)](https://nfcfyi.com/glossary/ntag-dna/.md): NXP's brand name for their DNA (Deniability and Authenticity) chip series featur
- [Password Protection](https://nfcfyi.com/glossary/password-protection/.md): A basic access control mechanism using a 32-bit password to restrict read/write 
- [Radio-Frequency Identification (RFID)](https://nfcfyi.com/glossary/rfid/.md): A technology that uses electromagnetic fields to automatically identify and trac
- [Reader/Writer Mode](https://nfcfyi.com/glossary/reader-writer-mode/.md): An NFC operating mode where the active device (smartphone/reader) reads data fro
- [Read Range](https://nfcfyi.com/glossary/read-range/.md): The maximum distance at which an NFC reader can communicate with a tag. Typical 
- [SDM (Secure Dynamic Messaging)](https://nfcfyi.com/glossary/sdm/.md): A feature in NFC chips (NTAG 413/424 DNA) that dynamically generates authenticat
- [Secure Element (SE)](https://nfcfyi.com/glossary/secure-element/.md): A tamper-resistant hardware component (embedded chip, SIM, or microSD) that secu
- [SUN (Secure Unique NFC)](https://nfcfyi.com/glossary/sun-message/.md): NXP's authentication technology that generates a unique, cryptographically signe
- [UID (Unique Identifier)](https://nfcfyi.com/glossary/uid/.md): A factory-programmed read-only serial number that uniquely identifies each NFC c
- [URI Record](https://nfcfyi.com/glossary/ndef-uri/.md): An NDEF record that encodes a URI (web URL, phone number, email, etc.) using com

## Interactive Tools (8)
- [NFC Chip Selector](https://nfcfyi.com/tool/chip-selector/): Find the perfect NFC chip for your project. Answer questions about memory, secur
- [NDEF Message Encoder](https://nfcfyi.com/tool/ndef-encoder/): Create NDEF messages for NFC tags. Build URI, Text, vCard, Wi-Fi, and Smart Post
- [NDEF Message Decoder](https://nfcfyi.com/tool/ndef-decoder/): Decode NDEF messages from hex data. Paste hex bytes from your NFC tag dump and s
- [NFC Memory Calculator](https://nfcfyi.com/tool/memory-calculator/): Calculate how much data fits on an NFC tag. Enter your content (URLs, text, vCar
- [NFC Compatibility Checker](https://nfcfyi.com/tool/compatibility-checker/): Check if your smartphone supports NFC and which tag types it can read. Search by
- [NFC Read Range Estimator](https://nfcfyi.com/tool/read-range-estimator/): Estimate NFC tag read range based on chip type, antenna size, reader power, and 
- [NFC Tag Cost Calculator](https://nfcfyi.com/tool/tag-cost-calculator/): Calculate per-unit cost of NFC tags at different volumes. Compare chip prices, f
- [NDEF Message Builder](https://nfcfyi.com/tool/ndef-builder/): Build NDEF messages for NFC tags interactively. Create URI, Text, and MIME type 

## Frequency Bands (3)
- [Low Frequency (LF)](https://nfcfyi.com/frequency/lf/.md): Low Frequency (LF) operates in the 125-134 kHz range and is one of the oldest RF
- [High Frequency (HF)](https://nfcfyi.com/frequency/hf/.md): High Frequency (HF) operates at 13.56 MHz and is the foundation of NFC technolog
- [Ultra High Frequency (UHF)](https://nfcfyi.com/frequency/uhf/.md): Ultra High Frequency (UHF) operates in the 860-960 MHz range and offers the long

## Security Protocols (8)
- [No Security](https://nfcfyi.com/security/no-security/.md): Tags with no security mechanism have fully open memory that any NFC reader can r
- [32-bit Password Protection](https://nfcfyi.com/security/password-32bit/.md): 32-bit password protection provides a basic level of access control by requiring
- [Crypto-1](https://nfcfyi.com/security/crypto1/.md): Crypto-1 is a proprietary stream cipher developed by NXP Semiconductors for the 
- [DES Encryption](https://nfcfyi.com/security/des-encryption/.md): DES (Data Encryption Standard) is a symmetric block cipher adopted as a federal 
- [Triple DES (3DES)](https://nfcfyi.com/security/triple-des/.md): Triple DES applies the DES algorithm three times with two or three independent k
- [AES-128](https://nfcfyi.com/security/aes-128/.md): AES-128 (Advanced Encryption Standard with 128-bit key) is the current industry 
- [AES-256](https://nfcfyi.com/security/aes-256/.md): AES-256 provides the highest level of symmetric encryption with a 256-bit key an
- [RSA Authentication](https://nfcfyi.com/security/rsa-authentication/.md): RSA is an asymmetric (public-key) cryptographic algorithm used in secure element

## Comparisons (123)
- [DESFire vs NTAG](https://nfcfyi.com/compare/desfire-vs-ntag/.md)
- [HCE vs Secure Element](https://nfcfyi.com/compare/hce-vs-secure-element/.md)
- [ICODE SLIX2 vs FeliCa Standard](https://nfcfyi.com/compare/icode-slix2-vs-felica-standard/.md)
- [ICODE SLIX2 vs ST25DV](https://nfcfyi.com/compare/icode-slix2-vs-st25dv/.md)
- [ISO 14443 vs ISO 15693](https://nfcfyi.com/compare/iso-14443-vs-iso-15693/.md)
- [MIFARE Classic 1K vs FeliCa Standard](https://nfcfyi.com/compare/mifare-classic-1k-vs-felica-standard/.md)
- [MIFARE Classic 1K vs ICODE SLIX2](https://nfcfyi.com/compare/mifare-classic-1k-vs-icode-slix2/.md)
- [MIFARE Classic 1K vs MIFARE Classic 4K](https://nfcfyi.com/compare/mifare-classic-1k-vs-mifare-classic-4k/.md)
- [MIFARE Classic 1K vs MIFARE DESFire EV1](https://nfcfyi.com/compare/mifare-classic-1k-vs-mifare-desfire-ev1/.md)
- [MIFARE Classic 1K vs MIFARE DESFire EV2](https://nfcfyi.com/compare/mifare-classic-1k-vs-mifare-desfire-ev2/.md)
- [MIFARE Classic 1K vs MIFARE DESFire EV3](https://nfcfyi.com/compare/mifare-classic-1k-vs-mifare-desfire-ev3/.md)
- [MIFARE Classic 1K vs MIFARE DESFire Light](https://nfcfyi.com/compare/mifare-classic-1k-vs-mifare-desfire-light/.md)
- [MIFARE Classic 1K vs ST25DV](https://nfcfyi.com/compare/mifare-classic-1k-vs-st25dv/.md)
- [MIFARE Classic 4K vs FeliCa Standard](https://nfcfyi.com/compare/mifare-classic-4k-vs-felica-standard/.md)
- [MIFARE Classic 4K vs ICODE SLIX2](https://nfcfyi.com/compare/mifare-classic-4k-vs-icode-slix2/.md)
- [MIFARE Classic 4K vs MIFARE DESFire EV1](https://nfcfyi.com/compare/mifare-classic-4k-vs-mifare-desfire-ev1/.md)
- [MIFARE Classic 4K vs MIFARE DESFire EV2](https://nfcfyi.com/compare/mifare-classic-4k-vs-mifare-desfire-ev2/.md)
- [MIFARE Classic 4K vs MIFARE DESFire EV3](https://nfcfyi.com/compare/mifare-classic-4k-vs-mifare-desfire-ev3/.md)
- [MIFARE Classic 4K vs MIFARE DESFire Light](https://nfcfyi.com/compare/mifare-classic-4k-vs-mifare-desfire-light/.md)
- [MIFARE Classic 4K vs ST25DV](https://nfcfyi.com/compare/mifare-classic-4k-vs-st25dv/.md)
- [MIFARE DESFire EV1 vs FeliCa Standard](https://nfcfyi.com/compare/mifare-desfire-ev1-vs-felica-standard/.md)
- [MIFARE DESFire EV1 vs ICODE SLIX2](https://nfcfyi.com/compare/mifare-desfire-ev1-vs-icode-slix2/.md)
- [MIFARE DESFire EV1 vs MIFARE DESFire EV2](https://nfcfyi.com/compare/mifare-desfire-ev1-vs-mifare-desfire-ev2/.md)
- [MIFARE DESFire EV1 vs MIFARE DESFire EV3](https://nfcfyi.com/compare/mifare-desfire-ev1-vs-mifare-desfire-ev3/.md)
- [MIFARE DESFire EV1 vs MIFARE DESFire Light](https://nfcfyi.com/compare/mifare-desfire-ev1-vs-mifare-desfire-light/.md)
- [MIFARE DESFire EV1 vs ST25DV](https://nfcfyi.com/compare/mifare-desfire-ev1-vs-st25dv/.md)
- [MIFARE DESFire EV2 vs FeliCa Standard](https://nfcfyi.com/compare/mifare-desfire-ev2-vs-felica-standard/.md)
- [MIFARE DESFire EV2 vs ICODE SLIX2](https://nfcfyi.com/compare/mifare-desfire-ev2-vs-icode-slix2/.md)
- [MIFARE DESFire EV2 vs MIFARE DESFire EV3](https://nfcfyi.com/compare/mifare-desfire-ev2-vs-mifare-desfire-ev3/.md)
- [MIFARE DESFire EV2 vs MIFARE DESFire Light](https://nfcfyi.com/compare/mifare-desfire-ev2-vs-mifare-desfire-light/.md)
- [MIFARE DESFire EV2 vs ST25DV](https://nfcfyi.com/compare/mifare-desfire-ev2-vs-st25dv/.md)
- [MIFARE DESFire EV3 vs FeliCa Standard](https://nfcfyi.com/compare/mifare-desfire-ev3-vs-felica-standard/.md)
- [MIFARE DESFire EV3 vs ICODE SLIX2](https://nfcfyi.com/compare/mifare-desfire-ev3-vs-icode-slix2/.md)
- [MIFARE DESFire EV3 vs MIFARE DESFire Light](https://nfcfyi.com/compare/mifare-desfire-ev3-vs-mifare-desfire-light/.md)
- [MIFARE DESFire EV3 vs ST25DV](https://nfcfyi.com/compare/mifare-desfire-ev3-vs-st25dv/.md)
- [MIFARE DESFire Light vs FeliCa Standard](https://nfcfyi.com/compare/mifare-desfire-light-vs-felica-standard/.md)
- [MIFARE DESFire Light vs ICODE SLIX2](https://nfcfyi.com/compare/mifare-desfire-light-vs-icode-slix2/.md)
- [MIFARE DESFire Light vs ST25DV](https://nfcfyi.com/compare/mifare-desfire-light-vs-st25dv/.md)
- [MIFARE Ultralight EV1 vs FeliCa Standard](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-felica-standard/.md)
- [MIFARE Ultralight EV1 vs ICODE SLIX2](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-icode-slix2/.md)
- [MIFARE Ultralight EV1 vs MIFARE Classic 1K](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-mifare-classic-1k/.md)
- [MIFARE Ultralight EV1 vs MIFARE Classic 4K](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-mifare-classic-4k/.md)
- [MIFARE Ultralight EV1 vs MIFARE DESFire EV1](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-mifare-desfire-ev1/.md)
- [MIFARE Ultralight EV1 vs MIFARE DESFire EV2](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-mifare-desfire-ev2/.md)
- [MIFARE Ultralight EV1 vs MIFARE DESFire EV3](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-mifare-desfire-ev3/.md)
- [MIFARE Ultralight EV1 vs MIFARE DESFire Light](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-mifare-desfire-light/.md)
- [MIFARE Ultralight EV1 vs ST25DV](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-st25dv/.md)
- [MIFARE vs NTAG](https://nfcfyi.com/compare/mifare-vs-ntag/.md)
- [NFC-A vs NFC-B](https://nfcfyi.com/compare/nfc-a-vs-nfc-b/.md)
- [NFC-A vs NFC-F](https://nfcfyi.com/compare/nfc-a-vs-nfc-f/.md)
- [NFC Type 2 vs Type 4](https://nfcfyi.com/compare/nfc-type-2-vs-type-4/.md)
- [NFC Type 4 vs Type 5](https://nfcfyi.com/compare/nfc-type-4-vs-type-5/.md)
- [NFC vs Barcode](https://nfcfyi.com/compare/nfc-vs-barcode/.md)
- [NFC vs BLE](https://nfcfyi.com/compare/nfc-vs-ble/.md)
- [NFC vs Bluetooth](https://nfcfyi.com/compare/nfc-vs-bluetooth/.md)
- [NFC vs Chip-and-PIN](https://nfcfyi.com/compare/nfc-vs-chip-and-pin/.md)
- [NFC vs iBeacon](https://nfcfyi.com/compare/nfc-vs-ibeacon/.md)
- [NFC vs Magnetic Stripe](https://nfcfyi.com/compare/nfc-vs-magnetic-stripe/.md)
- [NFC vs QR Code](https://nfcfyi.com/compare/nfc-vs-qr-code/.md)
- [NFC vs RFID](https://nfcfyi.com/compare/nfc-vs-rfid/.md)
- [NFC vs UWB](https://nfcfyi.com/compare/nfc-vs-uwb/.md)
- [NFC vs Wi-Fi Direct](https://nfcfyi.com/compare/nfc-vs-wifi-direct/.md)
- [NTAG213 vs FeliCa Standard](https://nfcfyi.com/compare/ntag213-vs-felica-standard/.md)
- [NTAG213 vs ICODE SLIX2](https://nfcfyi.com/compare/ntag213-vs-icode-slix2/.md)
- [NTAG213 vs MIFARE Classic 1K](https://nfcfyi.com/compare/ntag213-vs-mifare-classic-1k/.md)
- [NTAG213 vs MIFARE Classic 4K](https://nfcfyi.com/compare/ntag213-vs-mifare-classic-4k/.md)
- [NTAG213 vs MIFARE DESFire EV1](https://nfcfyi.com/compare/ntag213-vs-mifare-desfire-ev1/.md)
- [NTAG213 vs MIFARE DESFire EV2](https://nfcfyi.com/compare/ntag213-vs-mifare-desfire-ev2/.md)
- [NTAG213 vs MIFARE DESFire EV3](https://nfcfyi.com/compare/ntag213-vs-mifare-desfire-ev3/.md)
- [NTAG213 vs MIFARE DESFire Light](https://nfcfyi.com/compare/ntag213-vs-mifare-desfire-light/.md)
- [NTAG213 vs MIFARE Ultralight EV1](https://nfcfyi.com/compare/ntag213-vs-mifare-ultralight-ev1/.md)
- [NTAG213 vs NTAG215](https://nfcfyi.com/compare/ntag213-vs-ntag215/.md)
- [NTAG213 vs NTAG216](https://nfcfyi.com/compare/ntag213-vs-ntag216/.md)
- [NTAG213 vs NTAG 424 DNA](https://nfcfyi.com/compare/ntag213-vs-ntag424/.md)
- [NTAG213 vs NTAG 424 DNA TagTamper](https://nfcfyi.com/compare/ntag213-vs-ntag424-dna-tagtamper/.md)
- [NTAG213 vs ST25DV](https://nfcfyi.com/compare/ntag213-vs-st25dv/.md)
- [NTAG215 vs FeliCa Standard](https://nfcfyi.com/compare/ntag215-vs-felica-standard/.md)
- [NTAG215 vs ICODE SLIX2](https://nfcfyi.com/compare/ntag215-vs-icode-slix2/.md)
- [NTAG215 vs MIFARE Classic 1K](https://nfcfyi.com/compare/ntag215-vs-mifare-classic-1k/.md)
- [NTAG215 vs MIFARE Classic 4K](https://nfcfyi.com/compare/ntag215-vs-mifare-classic-4k/.md)
- [NTAG215 vs MIFARE DESFire EV1](https://nfcfyi.com/compare/ntag215-vs-mifare-desfire-ev1/.md)
- [NTAG215 vs MIFARE DESFire EV2](https://nfcfyi.com/compare/ntag215-vs-mifare-desfire-ev2/.md)
- [NTAG215 vs MIFARE DESFire EV3](https://nfcfyi.com/compare/ntag215-vs-mifare-desfire-ev3/.md)
- [NTAG215 vs MIFARE DESFire Light](https://nfcfyi.com/compare/ntag215-vs-mifare-desfire-light/.md)
- [NTAG215 vs MIFARE Ultralight EV1](https://nfcfyi.com/compare/ntag215-vs-mifare-ultralight-ev1/.md)
- [NTAG215 vs NTAG216](https://nfcfyi.com/compare/ntag215-vs-ntag216/.md)
- [NTAG215 vs NTAG 424 DNA](https://nfcfyi.com/compare/ntag215-vs-ntag424/.md)
- [NTAG215 vs NTAG 424 DNA TagTamper](https://nfcfyi.com/compare/ntag215-vs-ntag424-dna-tagtamper/.md)
- [NTAG215 vs ST25DV](https://nfcfyi.com/compare/ntag215-vs-st25dv/.md)
- [NTAG216 vs FeliCa Standard](https://nfcfyi.com/compare/ntag216-vs-felica-standard/.md)
- [NTAG216 vs ICODE SLIX2](https://nfcfyi.com/compare/ntag216-vs-icode-slix2/.md)
- [NTAG216 vs MIFARE Classic 1K](https://nfcfyi.com/compare/ntag216-vs-mifare-classic-1k/.md)
- [NTAG216 vs MIFARE Classic 4K](https://nfcfyi.com/compare/ntag216-vs-mifare-classic-4k/.md)
- [NTAG216 vs MIFARE DESFire EV1](https://nfcfyi.com/compare/ntag216-vs-mifare-desfire-ev1/.md)
- [NTAG216 vs MIFARE DESFire EV2](https://nfcfyi.com/compare/ntag216-vs-mifare-desfire-ev2/.md)
- [NTAG216 vs MIFARE DESFire EV3](https://nfcfyi.com/compare/ntag216-vs-mifare-desfire-ev3/.md)
- [NTAG216 vs MIFARE DESFire Light](https://nfcfyi.com/compare/ntag216-vs-mifare-desfire-light/.md)
- [NTAG216 vs MIFARE Ultralight EV1](https://nfcfyi.com/compare/ntag216-vs-mifare-ultralight-ev1/.md)
- [NTAG216 vs NTAG 424 DNA](https://nfcfyi.com/compare/ntag216-vs-ntag424/.md)
- [NTAG216 vs NTAG 424 DNA TagTamper](https://nfcfyi.com/compare/ntag216-vs-ntag424-dna-tagtamper/.md)
- [NTAG216 vs ST25DV](https://nfcfyi.com/compare/ntag216-vs-st25dv/.md)
- [NTAG 424 DNA TagTamper vs FeliCa Standard](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-felica-standard/.md)
- [NTAG 424 DNA TagTamper vs ICODE SLIX2](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-icode-slix2/.md)
- [NTAG 424 DNA TagTamper vs MIFARE Classic 1K](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-mifare-classic-1k/.md)
- [NTAG 424 DNA TagTamper vs MIFARE Classic 4K](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-mifare-classic-4k/.md)
- [NTAG 424 DNA TagTamper vs MIFARE DESFire EV1](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-mifare-desfire-ev1/.md)
- [NTAG 424 DNA TagTamper vs MIFARE DESFire EV2](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-mifare-desfire-ev2/.md)
- [NTAG 424 DNA TagTamper vs MIFARE DESFire EV3](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-mifare-desfire-ev3/.md)
- [NTAG 424 DNA TagTamper vs MIFARE DESFire Light](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-mifare-desfire-light/.md)
- [NTAG 424 DNA TagTamper vs MIFARE Ultralight EV1](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-mifare-ultralight-ev1/.md)
- [NTAG 424 DNA TagTamper vs ST25DV](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-st25dv/.md)
- [NTAG 424 DNA vs FeliCa Standard](https://nfcfyi.com/compare/ntag424-vs-felica-standard/.md)
- [NTAG 424 DNA vs ICODE SLIX2](https://nfcfyi.com/compare/ntag424-vs-icode-slix2/.md)
- [NTAG 424 DNA vs MIFARE Classic 1K](https://nfcfyi.com/compare/ntag424-vs-mifare-classic-1k/.md)
- [NTAG 424 DNA vs MIFARE Classic 4K](https://nfcfyi.com/compare/ntag424-vs-mifare-classic-4k/.md)
- [NTAG 424 DNA vs MIFARE DESFire EV1](https://nfcfyi.com/compare/ntag424-vs-mifare-desfire-ev1/.md)
- [NTAG 424 DNA vs MIFARE DESFire EV2](https://nfcfyi.com/compare/ntag424-vs-mifare-desfire-ev2/.md)
- [NTAG 424 DNA vs MIFARE DESFire EV3](https://nfcfyi.com/compare/ntag424-vs-mifare-desfire-ev3/.md)
- [NTAG 424 DNA vs MIFARE DESFire Light](https://nfcfyi.com/compare/ntag424-vs-mifare-desfire-light/.md)
- [NTAG 424 DNA vs MIFARE Ultralight EV1](https://nfcfyi.com/compare/ntag424-vs-mifare-ultralight-ev1/.md)
- [NTAG 424 DNA vs NTAG 424 DNA TagTamper](https://nfcfyi.com/compare/ntag424-vs-ntag424-dna-tagtamper/.md)
- [NTAG 424 DNA vs ST25DV](https://nfcfyi.com/compare/ntag424-vs-st25dv/.md)
- [ST25DV vs FeliCa Standard](https://nfcfyi.com/compare/st25dv-vs-felica-standard/.md)

## Page Types
- /chip/{slug}/ — Detailed NFC chip specification page
- /chip/{chip}/{use-case}/ — Chip-for-use-case pSEO page
- /family/{slug}/ — NFC chip family overview
- /manufacturer/{slug}/ — Manufacturer profile with chips
- /tag-type/{slug}/ — NFC Forum Tag Type specification
- /standard/{slug}/ — ISO/NFC Forum standard reference
- /mode/{slug}/ — NFC operating mode details
- /ndef/{slug}/ — NDEF record type specification
- /use-case/{slug}/ — NFC use case with recommended chips
- /frequency/{slug}/ — Frequency band reference
- /security/{slug}/ — Security protocol reference
- /guide/{slug}/ — In-depth NFC guide
- /glossary/{slug}/ — NFC terminology
- /tools/{slug}/ — Interactive NFC tools
- /compare/{slug}/ — NFC comparison

## Data Sources
- NFC Forum specifications (NDEF, Tag Types 1-5)
- ISO/IEC 14443, ISO/IEC 15693, ISO/IEC 18092
- Manufacturer datasheets (NXP, STMicroelectronics, Sony, Infineon)

## Related
- [QRCodeFYI](https://qrcodefyi.com/llms.txt) — The QR Code Encyclopedia & Toolkit
- [BarcodeFYI](https://barcodefyi.com/llms.txt) — The Barcode Encyclopedia & Toolkit
- [BLEFYI](https://blefyi.com/llms.txt) — The BLE Encyclopedia & Toolkit
- [RFIDFYI](https://rfidfyi.com/llms.txt) — The RFID Encyclopedia & Toolkit
- [SmartCardFYI](https://smartcardfyi.com/llms.txt) — The Smart Card Encyclopedia & Toolkit