أنواع سجلات NDEF
Explore NFC Data Exchange Format record types and their payload structures.
Text Record
NDEF Text Record: UTF-8/UTF-16 plain text with language code. Used for displaying information and labeling NFC-tagged assets.
URI Record
NDEF URI Record: compact web address encoding for NFC tags. Most popular record type for smart posters, product links, and …
Smart Poster
NDEF Smart Poster: combines URI, title text, and action directive. Used in advertising, tourism, and interactive display NFC applications.
MIME Type Record
NDEF MIME Type Record: arbitrary content with RFC 2046 MIME type. Flexible format for JSON, binary data, Bluetooth pairing, and …
Absolute URI Record
NDEF Absolute URI Record: full uncompressed URI as record type identifier. Used for schema-typed content and namespace-based NFC data.
Handover Select
NDEF Handover Select: carrier selection for Bluetooth/WiFi NFC handover. Enables tap-to-pair for speakers, headphones, and WiFi sharing.
Handover Request
NDEF Handover Request: initiates Bluetooth/WiFi carrier negotiation via NFC. Lists supported carriers for automatic tap-to-pair connection setup.
Signature Record
NDEF Signature Record: digital signature for NDEF message authentication. ECDSA/RSA verification for anti-counterfeiting and secure NFC credentials.
Android Application Record (AAR)
Android Application Record: forces specific app launch on NFC tap. Guaranteed app routing with Play Store fallback. Android-only feature.
vCard Record
NDEF vCard Record: contact information sharing via NFC tap. Used for digital business cards, event badges, and networking tags.