LIBO 125KHz Smart ID Key Tag Card RFID Access Control Key Card Proximity EM4100 TK4100 Keyfobs Keychains NFC Token Badge Holder (Pack of 100, Green)

• Chipset: TK4100 chip. Color: green. Package of quantity: 100 pieces.
• Memory: 64 bits EEPROM memory.
• Operating Frequency: 125KHz, low frequency.
• Feature: read only. Each keychain has been printed an unique ID number on the back.
• Applications: access control system, personnel identification, patrol system, attendance system, etc.

Product Specifications: Model: ID Keychain Chipset: TK4100 chip Frequency: 125KHz, low frequency Memory: 64 bits EEPROM memory Protocol: ISO 18000-2 Read Distance: 2-10cm (Depends on the R/W device) Feature: read only. Each keychain has been printed an unique ID number on the back Compatible Card Type: EM ID card, such as EM4100, EM4200, etc Material: waterproof ABS plastic Color: green Package of quantity: 100 pieces Please pay attention: This keychain is not writeable, just read only. Can’t be used to copy other cards or keychains.