20 Pack 1 Inch Round 13.56MHz RFID M1 S50 Tags Adhesive Proximity Stickers ISO 14443A UID Unchangeable For Access Control And Inventory Tracking In Retail, Office And Security Systems
✔️ 20 pcs round 1 inch, 13.56MHz M1 Classic 1K, UID fixed
This 20-pack includes adhesive 1-inch round RFID tags that use the MF1 S50 1K chip at 13.56MHz, with a fixed UID. Ideal for access control and inventory tagging in retail, office buildings, secure facilities, and security systems.
✅ 20 pieces, 25 mm diameter adhesive proximity tags
✅ MF1 S50 1K, 13.56MHz, ISO 14443A, 4-byte UID, fixed
✅ UID cannot be changed; not NDEF format
✅ Works with RC522 and PN532 readers; compatible with KABA, SAFLOK, MIWA, ONITY locks; not HID/Salto/Assa Abloy
✅ Service life: 10 years, 100,000 writes
💡 What is an RFID tag used for in access control and inventory tracking? This handy guide addresses common uses across many systems. - Handy for door entry control and asset tagging in retail, office, and security setups. - Works with RC522 and PN532 readers and standard access control platforms. - UID fixed and not rewritable; improves consistency and security. - Best used on non-metal surfaces indoors for reliable reads.