10-Pack 125KHz RFID Access Control Cards EM4100 TK4100
10-Pack 125KHz RFID Proximity Access Control Cards — EM4100 / TK4100
Upgrade your access control system with this convenient set of 10 RFID proximity cards. Operating at 125KHz with EM4100/TK4100 chip technology, each card carries a globally unique UID number, making them a reliable and secure choice for a wide range of access and identification applications.
Built from durable, fire-resistant ABS material and rated for temperatures from -20°C to +55°C, these cards are engineered for everyday use in demanding environments.
Made in Mainland China.
⚠️ Important Note: These cards are not designed for copying or writing via any third-party writer device. They require proper authorization through your access control management system or directly on your access control machine before use.
Key Specifications
- Frequency: 125 KHz
- Chip Type: EM4100 / TK4100
- Protocol: ISO14443A
- Material: ABS Fire-Resistant Plastic
- Model Number: EM-02A
- Working Temperature: -20°C to +55°C
- Certification: CE
- Unique UID: Each card has a globally unique identification number
- Quantity: 10 cards per pack
Applications
- 🏢 Building & Office Access Control
- 🆔 ID & Personnel Identification
- 🚗 Parking Management Systems
- ⏱️ Time & Attendance Tracking
- 📦 Logistics & Asset Tracking
- 💳 Loyalty Programs & VIP Systems
- 💰 E-Payment Systems
Why Choose These RFID Cards?
- Globally Unique UID: No two cards share the same ID — maximum security and traceability
- Wide Compatibility: Works with standard 125KHz EM4100/TK4100-compatible readers
- Durable Construction: Fire-resistant ABS material stands up to daily wear
- Broad Temperature Range: Reliable performance in both cold and warm environments
- Value Pack: 10 cards in one pack — great for offices, apartments, gyms, and more
For more information on RFID technology standards and security, visit the National Institute of Standards and Technology (NIST) — Cybersecurity Resources.
Frequently Asked Questions
Q: Are these 125KHz RFID cards compatible with my existing access control system?
A: These cards use the EM4100/TK4100 chip standard at 125KHz, which is one of the most widely used RFID frequencies for access control. They are compatible with the vast majority of 125KHz EM4100-standard readers and access control systems. Please verify that your system supports 125KHz EM4100/TK4100 cards before purchasing.
Q: Can I copy or clone these RFID cards using a card writer?
A: No. These cards are not designed to be copied or written to with any third-party writer or duplicator device. Each card has a factory-set, globally unique UID that is read-only. They must be registered and authorized directly through your access control management system or machine.
Q: How many cards come in the pack, and what format are they?
A: Each order includes 10 RFID proximity cards in a standard credit-card size format, made from durable, fire-resistant ABS material. They are slim, lightweight, and easy to carry in a wallet or badge holder.
Q: What temperature range can these RFID access control cards handle?
A: These cards are rated for working temperatures between -20°C and +55°C (-4°F to 131°F), making them suitable for both indoor and outdoor access control applications in varied climates.