125kHz RFID EM4305 T5577 Rewritable Key Tag Chip – Blank Access Control Ring, Coin, Card & Key Fob for Secure Entry Systems

This versatile 125kHz RFID EM4305 T5577 blank key tag is designed for seamless integration into access control systems. Featuring a durable construction and compact design, it comes in multiple forms including key rings, coins, cards, and tags—perfect for both personal and commercial use. The rewritable chip allows you to copy, duplicate, and reprogram the data as needed, making it ideal for temporary access, employee badges, or secure entry solutions. Compatible with most 125kHz RFID readers, this tag ensures reliable performance and long-lasting durability. Whether you're managing building access, inventory tracking, or event entry, this reusable RFID tag offers a smart, efficient solution.