13.56MHz RFID NFC Fob Key – Support Documentation

The 13.56MHz RFID NFC Fob Key is a compact, contactless identification device commonly used in access control systems, time attendance tracking, and asset management. Operating at a high frequency of 13.56MHz, these fobs are compatible with various NFC-enabled devices and readers, providing a secure and efficient means of authentication.

Product Overview

• Operating Frequency: 13.56 MHz
• Communication Protocol: ISO/IEC 14443 Type A
• Chip Types: MIFARE Classic 1K (S50), NTAG213, NTAG215
• Memory Capacity:
  • MIFARE Classic 1K: 1 KB (16 sectors of 4 blocks)
  • NTAG213: 144 bytes
  • NTAG215: 504 bytes
• UID Size: 4 or 7 bytes (depending on chip)
• Read Range: Up to 10 cm (depends on reader and environment)
• Material: Durable ABS plastic
• Dimensions: Approximately 40mm x 32mm x 4mm
• Operating Temperature: -20°C to +50°C
• Durability: Waterproof, dustproof, and shock-resistant

Pinout Description

As passive devices, RFID NFC fob keys do not have traditional pinouts. Instead, they contain an internal antenna coil that communicates with RFID readers via electromagnetic fields. When brought into proximity with a compatible reader, the fob is powered by the reader’s field and transmits its unique identifier (UID) and, if applicable, additional data stored in its memory.

How to Use the Fob Key

1. Enrollment: Register the fob’s UID with your access control system or application. This process varies depending on the system but typically involves scanning the fob with a reader and associating it with a user profile.
2. Access: Present the fob near the RFID reader. The reader will detect the fob’s UID and grant or deny access based on the system’s configuration.
3. Programming (for writable fobs): Use compatible software and hardware (e.g., NFC-enabled smartphones or dedicated RFID writers) to write data to the fob’s memory. Ensure that the fob’s chip type supports writing and that you have the necessary permissions.

Applications

• Building and room access control
• Employee time and attendance tracking
• Public transportation ticketing
• Cashless payment systems
• Asset and inventory management
• Event management and ticketing

Troubleshooting

• Fob Not Recognized: Ensure the fob is compatible with the reader’s frequency (13.56MHz) and protocol. Verify that the fob is within the reader’s effective range and that there are no physical obstructions or interference.
• Read Errors: Check for physical damage to the fob. If the fob is writable, ensure that the data has not been corrupted. Reprogram the fob if necessary.
• Inconsistent Performance: Environmental factors such as metal surfaces or electronic interference can affect performance. Test the fob in different locations to identify potential sources of interference.

Frequently Asked Questions (FAQs)

Q: Can I use this fob with my smartphone?

A: If your smartphone supports NFC and the fob uses a compatible chip (e.g., NTAG213, NTAG215), you can read and write data using NFC applications.

Q: Is it possible to clone this fob?

A: Cloning depends on the chip type and security features. Some chips, like MIFARE Classic, have known vulnerabilities, while others offer stronger security. Always ensure compliance with local laws and regulations when handling RFID devices.

Q: How long does the fob last?

A: RFID fobs are designed for durability and can withstand thousands of read/write cycles. With proper care, they can last several years.

Note: Always ensure that your RFID system components (fobs, readers, software) are compatible and configured correctly to maintain optimal performance and security.