Specification: Chip:T5577 Operating frequency:125KHZ Memory capacity:330bits,10partition,8-bit code Read/write distance:3-10cm Erase life: more than 100,000 times Data retention time: 10 years Material: ABS Color: red, yellow, blue, green, black Printing: silkscreen Coding mode: laser code, spray code Process: ultrasonic welding, glue bonding Features: T5577 keychain card has anti-magnetic, anti-static, anti-vandalism and durability, good anti-counterfeiting, high security of stored data (can be encrypted, large data storage capacity, low cost of the application equipment and the system network environment, etc., in accordance with ISO7816 standards. Reproducible, readable and writable, the product shell is made of refined molds, high-grade anti-corrosion and high temperature resistant materials pressed and injected, the internal encapsulation of the RF card chip, by filling the epoxy resin, through ultrasonic welding combination. Applications: Suitable for access control, public transportation, parking lot, identity authentication, attendance management, tickets, one card payment, product identification and so on.

Wide Range of Applications: The 125KHz RFID Key Fob is suitable for a wide range of applications, including access control, public transportation, parking lots, identity authentication, attendance management, tickets, one-card payment, and product identification. Its versatility and functionality make it an essential tool for various industries and settings. Enjoy the convenience and security of this key fob in any application. Easy to Use and Reproducible: The key fob is easy to use and can be reproduced quickly and easily. It can be coded using laser or spray code, and the process of ultrasonic welding and glue bonding ensures a secure and reliable connection. The key fob can be used repeatedly, making it a cost-effective solution for various applications. Readable and Writable: The 125KHz RFID Key Fob is both readable and writable, allowing you to easily access and modify the stored data. It can be used with an RFID writer to duplicate or modify the key fob, making it a versatile and convenient tool for various applications. Large Data Storage Capacity: The T5577 chip used in the key fob has a memory capacity of 330 bits, 10 partitions, and 8-bit code, providing ample space for storing data. It can be encrypted for added security, ensuring that your data is safe and protected. The large data storage capacity makes it suitable for various applications, including access control, attendance management, and product identification. Quality and Durable Material: The 125KHz RFID Key Fob is made of high-quality ABS material, which is anti-magnetic, anti-static, and anti-vandalism. It is designed to withstand wear and tear, ensuring long-lasting durability. The refined molds and high-grade materials used in the manufacturing process make it resistant to corrosion and high temperatures, providing reliable performance in various environments.