{"product_id":"rewritable-125khz-rfid-blank-pvc-cards-t5577-em4305-smart-tags","title":"Rewritable 125KHz RFID Blank PVC Cards T5577 EM4305 Smart Tags","description":"\u003cp\u003eUpgrade your access control system with these \u003cstrong\u003eRewritable 125KHz RFID Blank PVC Cards\u003c\/strong\u003e. Compatible with T5577, 5200, and EM4305 chip standards, these programmable smart cards are perfect for door access control, time attendance systems, key card cloning, and custom ID solutions. Each card arrives without a pre-assigned ID number, giving you full flexibility to program, write, and clone data as needed.\u003c\/p\u003e\n\n\u003cp\u003eCrafted from durable \u003cstrong\u003ePVC\u003c\/strong\u003e and sized at the standard credit card dimensions of \u003cstrong\u003e8.5 x 5.3 cm\u003c\/strong\u003e, these cards fit seamlessly into any standard card reader or wallet slot. Available in 3 color options to help you organize or distinguish between different access levels or user groups.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRewritable \u0026amp; Programmable:\u003c\/strong\u003e Each card can be written, re-written, and cloned multiple times using a compatible 125KHz RFID reader\/writer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Chip Compatibility:\u003c\/strong\u003e Supports T5577, 5200, and EM4305 chip types for broad system compatibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlank Cards:\u003c\/strong\u003e Arrive without any pre-programmed ID number — ready for your custom configuration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard PVC Construction:\u003c\/strong\u003e Durable, credit-card-sized (8.5 x 5.3 cm) design fits all standard card holders and readers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e125KHz Frequency:\u003c\/strong\u003e Widely supported by proximity door entry, access control panels, and time attendance systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 Color Options:\u003c\/strong\u003e Easily color-code cards for different access levels or user groups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Ideal for offices, apartments, gyms, schools, and any facility using 125KHz RFID access control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 125KHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip Type:\u003c\/strong\u003e T5577 \/ 5200 \/ EM4305\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PVC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCard Size:\u003c\/strong\u003e 8.5 x 5.3 cm (standard credit card size)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Colors:\u003c\/strong\u003e 3 options\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-Programmed ID:\u003c\/strong\u003e None — fully blank and programmable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eProximity door access control systems\u003c\/li\u003e\n  \u003cli\u003eTime and attendance tracking\u003c\/li\u003e\n  \u003cli\u003eKey card duplication and cloning\u003c\/li\u003e\n  \u003cli\u003eCustom employee or membership ID cards\u003c\/li\u003e\n  \u003cli\u003eBuilding security and entry management\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on RFID technology and its use in security systems, visit the \u003ca href=\"https:\/\/www.nist.gov\/publications\/guidelines-securing-radio-frequency-identification-rfid-systems\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNIST Guidelines on Securing RFID Systems\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What RFID chip types are these blank cards compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: These rewritable 125KHz RFID cards are compatible with T5577, 5200, and EM4305 chip types, making them suitable for a wide range of proximity access control readers and systems.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can these RFID cards be programmed and reprogrammed multiple times?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! These are fully rewritable RFID cards. You can program, re-write, and clone data onto them multiple times using any compatible 125KHz RFID read\/write device. They arrive as blank cards with no pre-assigned ID number.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What are the dimensions and material of these smart cards?\u003c\/h4\u003e\n\u003cp\u003eA: Each card is made from durable PVC and measures 8.5 x 5.3 cm — the same size as a standard credit card — so they fit perfectly in card holders, readers, and wallets.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What access control systems are these cards compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: These 125KHz RFID blank cards are compatible with most standard proximity door control access systems, time attendance machines, and any reader that supports T5577, EM4305, or 5200 chip formats operating at 125KHz frequency.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What RFID chip types are these blank cards compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These rewritable 125KHz RFID cards are compatible with T5577, 5200, and EM4305 chip types, making them suitable for a wide range of proximity access control readers and systems.\"}}, {\"@type\": \"Question\", \"name\": \"Can these RFID cards be programmed and reprogrammed multiple times?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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