{"product_id":"uid-changeable-rfid-sticker-tags-13-56mhz-rewritable-20pcs","title":"20pcs UID Changeable RFID Sticker Tags 13.56MHz Rewritable","description":"\n\u003ch2\u003e20-Pack UID Changeable RFID Sticker Tags – 13.56MHz Rewritable Proximity Labels\u003c\/h2\u003e\n\u003cp\u003eUpgrade your RFID projects with these versatile \u003cstrong\u003eUID Changeable RFID Sticker Tags\u003c\/strong\u003e. Operating at \u003cstrong\u003e13.56MHz\u003c\/strong\u003e (Block 0 rewritable), these compact 25mm stickers let you copy, overwrite, and reuse NFC\/RFID data with ease — perfect for developers, makers, and professionals working with proximity-based systems.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUID Changeable (Block 0 Writable):\u003c\/strong\u003e Freely rewrite the UID sector for full cloning and customisation capability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e13.56MHz Carrier Frequency:\u003c\/strong\u003e Compatible with standard ISO 14443A readers and writers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDomestic 213 Chip:\u003c\/strong\u003e 144-bit storage capacity with ultra-fast 0.1ms read\/write response time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong Erase Life:\u003c\/strong\u003e Rated for up to \u003cstrong\u003e100,000 write cycles\u003c\/strong\u003e — built for repeated use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Sticker Form Factor:\u003c\/strong\u003e 25mm diameter; flexible packaging materials including dry inlay, wet inlay, PET, coated paper, and synthetic paper.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReading Distance:\u003c\/strong\u003e 0–10cm; induction distance 30–50cm.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Ideal for logistics, retail, manufacturing, apparel, anti-counterfeiting, traffic management, identification, libraries, food tracking, automotive, and aviation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack of 20:\u003c\/strong\u003e Generous quantity for testing, prototyping, or deployment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.56MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDomestic 213\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e144 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRead\/Write Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1ms\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReading Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–10cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInduction Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30–50cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eErase Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Qty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e20 × UID Changeable RFID Sticker Tags (13.56MHz, Block 0 Rewritable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/graded-trading-card-holder-snap-closure-plastic-slab-case\"\u003eGraded Trading Card Holder Snap Closure Plastic Slab Case\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/large-capacity-pencil-pen-bag-zipper-fabric-stationery-organizer\"\u003eLarge Capacity Pencil Pen Bag – Zipper Fabric Stationery Organizer\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does \"UID Changeable\" or \"Block 0 Rewritable\" mean for these RFID tags?\u003c\/h4\u003e\n\u003cp\u003eA: Standard RFID tags have a factory-locked UID (Unique Identifier) that cannot be altered. A UID Changeable (Block 0 Rewritable) tag allows you to overwrite the UID sector using a compatible reader\/writer, enabling you to clone or duplicate existing card credentials for testing or custom access-control systems.\u003c\/p\u003e\n\u003ch4\u003eQ: What equipment do I need to read and write these 13.56MHz RFID sticker tags?\u003c\/h4\u003e\n\u003cp\u003eA: You need an ISO 14443A-compatible NFC\/RFID reader-writer (such as an ACR122U, PN532-based module, or similar 13.56MHz device) along with appropriate software (e.g., MFRC522 libraries for Arduino, or dedicated card-management apps). These tags are not compatible with 125kHz systems.\u003c\/p\u003e\n\u003ch4\u003eQ: Can these RFID stickers be used outdoors or in industrial environments?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Available in PET, coated paper, and synthetic paper formats, these tags suit a broad range of environments including logistics warehouses, manufacturing floors, retail shelving, and apparel tagging. For harsh outdoor or wet environments, the PET or synthetic paper variants offer greater durability.\u003c\/p\u003e\n\u003ch4\u003eQ: How many times can I rewrite these RFID tags?\u003c\/h4\u003e\n\u003cp\u003eA: Each tag is rated for up to 100,000 write cycles, making them highly suitable for prototyping, iterative testing, and long-term deployment scenarios where data needs to be updated regularly.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does \\\"UID Changeable\\\" or \\\"Block 0 Rewritable\\\" mean for these RFID tags?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Standard RFID tags have a factory-locked UID (Unique Identifier) that cannot be altered. A UID Changeable (Block 0 Rewritable) tag allows you to overwrite the UID sector using a compatible reader\/writer, enabling you to clone or duplicate existing card credentials for testing or custom access-control systems.\"}}, {\"@type\": \"Question\", \"name\": \"What equipment do I need to read and write these 13.56MHz RFID sticker tags?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"You need an ISO 14443A-compatible NFC\/RFID reader-writer (such as an ACR122U, PN532-based module, or similar 13.56MHz device) along with appropriate software (e.g., MFRC522 libraries for Arduino, or dedicated card-management apps). These tags are not compatible with 125kHz systems.\"}}, {\"@type\": \"Question\", \"name\": \"Can these RFID stickers be used outdoors or in industrial environments?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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