YARONGTECH 13.56 MHz RFID 1K S50 RFID Stickers NFC Tags, Smart Tags ISO 14443A RFID 1K Stickers MF1 Self-Adhesive Paper face (Pack of 100) (Diameter 25mm)

Specification: - Chip: rfid 1K - Function: Read/Write protect by password - Memory: 1K Byte - Size: Diameter 25mm - Material: PET + rfid 1K chip + Release Paper - Frequency: 13.56MHz - RF Protocol: ISO 14443A - Package: 100 Pieces per Bag - >Thank you so much for ordering rfid 1k tags Sticker, should you have any questions, please feel free to contact us directly!

• Quantity: 100 pieces. Diameter: 25 mm,40X25mm,30x15mm, This rfid 1K tags is adhesive, can be pasted. Please check our store and there are many small quantities for you to choose from, you can buy the experience with a small quantity first. 【Note 1: The UID cannot be changed or rewrited】【Note 2: Not supported to use on metal surface and strong magnetic field】
• Chip: High quality rfid 1k chip, working frequency: 13.56MHz, 1K byte memory, ISO14443A protocol, password read and write protection, high scan strength, easy to program. Service life: 10 years, 100,000 writes. UID Can’t be changed and rewrite. Non-NDEF format.
• Compatibility: all rfid 1K S50 tags are pre-programmed with a unique ID, 4-byte UID. UID cannot be changed, factory default key: FF FF FF FF FF FF, compatible with most access control systems.
• Hassle Free Warranty: We are confident that you'll love our NFC Tags. If, for any reason, you're not satisfied with the mifare stickers, we will issue you an exchange! Any questions, please do not hesitate to send the seller a message through Amazon and we will respond within 24 hours.