10pcs 125khz Rfid Em4100/tk4100 Coin Cards 25mm For Access Control Id Tags. Introducing the New Contactless ID Card – a Versatile and Reliable Solution Perfect for Access Control and Various Identification Needs. These Transparent Circular Coin Cards, Equipped with a 64-bit EM4100/TK4100 Chip, Offer Seamless Read-only Functionality. Operating at a Frequency of 125 KHz, These Cards Are Designed for Efficiency and Long-term Use, Ensuring over 10,000 Readable Times. The Passive RFID Cards Come in a Convenient Package of 10 Pieces, Each Measuring 25mm in Diameter and 1mm Thick. Built with Durable ABS Material, They Are Waterproof, Moisture-proof, and Vibration-proof, Making Them Suitable for Diverse Environments. With a Detection Range of 0-5cm and a Rapid Reading Time of Just 1ms, These Cards Ensure Quick and Reliable Access. Ideal for Applications Such As Access Control, Public Transportation, Parking Management, Identity Authentication, Attendance Management, and More, This Product Guarantees Excellent Performance with Minimal Maintenance. Summary of Features: - Brand Name: New - Certification: CE - Chip Model: EM4100/TK4100 - Frequency: 125 KHz - Read Range: 0-5cm - Power: Passive Card - Recognition Mode: Read Only - Size: 25mm X 1mm - Package: 10 Pcs - Durability: Waterproof, Moisture-proof, Vibration-proof - Service Life: Over 10 Years - Usage: Access Control, Identity Authentication, Parking, Etc. - Reading and Writing Time: 1ms - Color: As Shown in the Photo Choose These Robust and Efficient RFID Cards for All Your Access and Identification Requirements..