Writable 125kHz RFID Key Fob Proximity T5577 Fob Tag for RFID Writer Rewritable T5577 Universal (5 PCS)

Original T5577 Chips,it doesn't have pre-programmed id number,so need to write the id on it before you read,Before use, you must first write data(card numbers) into them by a 125KHZ RFID card writer. It has the same function as the Key Fob , but it looks more beautiful and provides more comprehensive protection for the chip.

• Original T5577 Chips: These chips do not have pre-programmed ID numbers, so you need to write the ID on them before reading. Before use, you must first write data (card numbers) into them using a 125KHz RFID card writer
• Rewritable Chip Technology: Features rewritable chip that can write in 125kHz ID format and H ID WG 125kHz format, includes 5 pieces in the package
• Programming Required Before Use: Please note the chip cannot be read before you program it with your specific data
• Compatible with 125KHz RFID Writers: Can be written by 125KHz RFID writer/copier, but cannot work with ONITY SYSTEM and Proxmark3 RDV4
• Writable and Rewritable Capability: Can be erased and written up to 100,000 times, suitable for making new and back-up tags with the 125kHz RFID card writer/copier
• Enhanced Protection Design: Has the same function as standard Key Fobs but features an attractive design that provides more comprehensive protection for the chip
• Proximity Access Control: Functions as a 125kHz RFID proximity key fob tag for access control systems, security gates, and door entry applications