10 PCS 125KHz TK/EM4100 Proximity ID Card Chip Keychain Key Ring(Gray)

Features:

• Chip Type: Contactless ID Card
• Frequency: 125KHz
• Read Range: 0-3cm
• Power: Passive Card
• Recognition Mode: Read Only
• Dimensions: Approximately 35 x 29 x 5mm
• Response frequency: 125KHz
• Waterproof and durable design
• Each comes with Key ring included
• Application scope: Public transportation, parking, ID identification, attendance system, ticketing, card payment, product logo, etc.

Additional Information:

• The carrier frequency is 125KHZ (THRC12)
• Data encoding in the card adopts BPSK phase shift keying method with strong anti-interference ability
• Card to reader data transfer rate is 3.9kbps (THRC12)
• Data storage time exceeds 10 years
• Total of 64 data storage capacity, including manufacturer, publisher, and user code
• Card number cannot be changed after being written before the seal, ensuring fixed and safe card number
• Can be packaged into a variety of shapes depending on the application