10 Pieces FONGWAH 125KHz ID Key Fobs Rewritable RFID Tags Atmel T5577

This pack of T5577 125kHz RFID key fobs are perfect for duplicating and creating backup tags. Powered by ATMEL T5577 chip, these key tags are rewritable and are compatible with universal 125kHz formats like EM4100 and TK4100. They're ideal for a variety of uses, including hotel key systems, access control, and time attendance. Please note: These key fobs are blank and require a 125kHz RFID writer to be programmed before use. They are not compatible with the ONITY SYSTEM or Proxmark3 RDV4. Key Features: Waterproof & Durable ABS plastic construction. Rewritable up to 100,000 times for repeated use. Compatible with EM4100, TK4100, and other 125kHz tags. Requires a 125kHz RFID writer to be programmed.

• CHIP: ATMEL T5577, the chip supports data storage for up to 10 years and can be customized to formats like 26-bit Prox. These are blank writable key fob tags for duplicating 125KHz proximity cards or tags
• REWRITABLE: These key fobs are both writable and rewritable, allowing you to erase and write data up to 100,000 times. They are perfect for creating new or backup tags. Note that they are not compatible with the ONITY SYSTEM or Proxmark3 RDV4
• NOTE: This key fobs do not have ID number pre-programmed so you will have to write the ID with a 125KHz card writer before using it
• MATERIAL: The key fob is made of durable and waterproof ABS plastic
• APPLICATIONS: These T5577 proximity key fobs are ideal for hotel keys, access control systems, attendance tracking, ticketing and parking cards. They are capable of duplicating popular formats like EM4100 and TK4100 ID cards or tags