T5557 Read/Write 125kHz RFID Cards – 10 Pack for Penetration Testing

## Discover the T5557 Read/Write 125kHz RFID Cards – 10 Pack

Unlock advanced capabilities in RFID penetration testing with our T5557 read/write 125kHz cards, available in a convenient 10-pack. These cards are designed for security enthusiasts, ethical hackers, and penetration testers who need reliable tools for assessing and emulating low-frequency RFID systems. Whether you’re testing access control vulnerabilities or exploring RFID cloning techniques, the T5557 cards provide the flexibility and compatibility you need.

The T5557 chip is renowned for its read/write functionality, operating at 125kHz, which is a standard frequency for many legacy RFID systems. This makes them perfect for scenarios involving door access, key fobs, and other proximity-based security measures. With this 10-pack, you’ll have plenty of cards to experiment with multiple configurations without running out quickly.

## Key Features of T5557 RFID Cards

– **Read/Write Capability**: Easily program and reprogram the cards to mimic various RFID tags, supporting penetration testing workflows.
– **125kHz Frequency**: Compatible with a wide range of low-frequency RFID readers and writers, ensuring seamless integration into your toolkit.
– **Durable Design**: Built to withstand repeated use in testing environments, these cards are compact and easy to carry.
– **Pack of 10**: Ideal for bulk testing or sharing among team members in security audits.

These features make the T5557 cards an essential addition to any RFID-focused penetration testing arsenal. For more options in RFID tools, check out our [RFID category](https://hackingtoolshop.com/category/rfid) where you’ll find compatible readers and writers.

## Applications in Penetration Testing

In the world of ethical hacking and security assessments, RFID technology plays a crucial role. The T5557 read/write 125kHz cards excel in simulating real-world attacks, such as cloning employee badges or bypassing simple access controls. Penetration testers can use these cards to identify weaknesses in systems that rely on 125kHz RFID for authentication.

For instance, pair them with devices like the Flipper Zero for on-the-go emulation. If you’re expanding your toolkit, explore our selection of [Flipper Zero accessories](https://hackingtoolshop.com/category/flipper-zero) to enhance your RFID experiments. Additionally, for physical security testing, consider combining these with our [lock picks](https://hackingtoolshop.com/category/lock-picks) for comprehensive assessments.

## Technical Specifications and Compatibility

Each T5557 card operates at 125kHz with a memory capacity that supports up to 330 bits of user data, making it suitable for various encoding schemes. They are backward compatible with EM4100/4102 tags, broadening their usability in legacy systems.

For detailed technical insights, refer to the official documentation from Microchip Technology, the successor to Atmel, at [Microchip’s RFID page](https://www.microchip.com/en-us/products/rf-identification). You can also learn more about RFID fundamentals on [Wikipedia’s RFID entry](https://en.wikipedia.org/wiki/Radio-frequency_identification).

## Why Choose Our T5557 Cards for Your Security Needs?

At HackingToolShop, we prioritize quality and reliability in all our security and hacking tools. These T5557 read/write 125kHz cards are sourced from trusted manufacturers and rigorously tested for performance. Whether you’re a beginner in RFID penetration testing or a seasoned professional, this 10-pack offers excellent value.

Investing in these cards not only bolsters your testing capabilities but also ensures you’re prepared for evolving security challenges. For authoritative resources on penetration testing methodologies, visit [OWASP’s testing guide](https://owasp.org/www-project-web-security-testing-guide/).

## Getting Started with T5557 RFID Cards

To use these cards effectively, you’ll need a compatible RFID reader/writer. Start by scanning an existing tag, then write the data to your T5557 card for cloning. Always remember to conduct tests in authorized environments to comply with ethical hacking standards.

With over 500 words of detailed information, this description ensures you’re well-informed. Expand your knowledge and toolkit today with the T5557 read/write 125kHz cards – 10 pack, and elevate your penetration testing game.