XC121

Introducing the XCRFID XC121, a versatile and advanced writable dual chip UID (Unique Identification) tag. This MF1 format tag, with a size of 1 kilohertz and 125 kHz frequency, is compatible with various systems that support T5577 protocol.

The XC121 is a rewritable ID/IC tag, meaning it can be programmed or reprogrammed multiple times using an appropriate reader or writer. It is equipped with two chips, each capable of storing data independently. This dual chip feature provides an added layer of security and flexibility, allowing for the storage of redundant data or the separation of different types of information.

Measuring at approximately 60.5 mm x 12.5 mm x 2.35 mm, this compact tag is suitable for various applications where size is a consideration. Each chip on the XC121 can store up to 32 KB of data, providing ample space for a wide range of data types, including text, numbers, and binary data.

The XCRFID XC121 is designed with high-quality components and passes rigorous testing to ensure reliable performance. It can withstand temperatures ranging from -40 C to 85 C, making it suitable for use in various environments. Additionally, the tag features an anti-collision function, enabling it to communicate effectively even when in close proximity to other tags.

In summary, the XCRFID XC121 is a versatile and high-performance writable dual chip UID tag, ideal for applications where data security, flexibility, and reliability are essential. With its small size, compatibility with various systems, and robust design, this tag offers an excellent solution for various identification and data management needs.

Pros and Cons of Buying XCRFID XC121 Writable Dual Chip UID Changeable MF1 1K 125LF T5577 Rewritable ID/IC

The XCRFID XC121 is a writable dual chip UID changeable MF1 1K 125LF T5577 rewritable ID/IC tag. This type of RFID tag offers several benefits, but it also comes with some drawbacks. In this analysis, we will discuss both the pros and cons of purchasing this RFID tag.

1. Dual Chip Technology: The tag's dual chip technology allows it to store two distinct access levels or identities, providing enhanced security and flexibility.

2. Writable: This tag is rewritable, which means that the data stored on it can be updated or changed as needed.

3. UID Changeable: Users can change the Unique Identifier (UID) of the tag, allowing them to assign different IDs to the same physical tag.

4. 13.56 MHz Frequency: The XC121 tag operates at the widely-used 13.56 MHz frequency, ensuring compatibility with a broad range of RFID readers.

5. Large Memory Capacity: With a memory capacity of 1K, this tag can store a significant amount of data, making it suitable for applications requiring extensive data storage.

1. Cost: The XCRFID XC121 tag may be more expensive compared to standard RFID tags due to its advanced features.

2. Complexity: The tag's dual chip technology and UID changeability add complexity to the implementation and management of the RFID system.

3. Requires Proper Programming: Proper programming of the tag is necessary to ensure that the data is written and read correctly, which may require specialized knowledge or tools.

4. Potential for Data Security Risks: The ability to change the UID and the data stored on the tag may pose a risk if not properly secured, as unauthorized individuals could potentially gain access to secure areas or information.

The XCRFID XC121 Writable Dual Chip UID Changeable MF1 1K 125LF T5577 Rewritable ID/IC tag offers several advantages, such as dual chip technology, writability, large memory capacity, and compatibility with a wide range of RFID readers. However, it also comes with some drawbacks, including cost, complexity, potential data security risks, and the need for proper programming.

If you require a high-security RFID solution with the ability to change identities and store a large amount of data, the XCRFID XC121 tag may be a suitable choice. However, if you have simpler RFID needs, or if the cost and complexity of this tag are concerns, you may want to consider a more standard RFID tag.

For organizations or individuals with complex RFID requirements, looking for enhanced security, and needing to store a large amount of data, the XCRFID XC121 Writable Dual Chip UID Changeable MF1 1K 125LF T5577 Rewritable ID/IC tag is a recommended option. Ensure that you have the necessary resources, including specialized knowledge or tools, to properly program and manage the tag to minimize potential risks. If your RFID needs are more straightforward, consider a standard RFID tag with a lower cost and less complexity.

Details:

Manufacturer: xcrfid. Xcrfid uid changeable magic card is 4 byte uid, zero sector can be writable, copy back up s50 mf 1k cards. Item model number: XC121. Id cards are available with ISO card and also as clam shell.

Readable and rewritable,no external power require. Xcrfid T5577 card support back up em4100 tk4100 em4305 125 lf id card. Is discontinued by manufacturer: no. Country of origin: china.

Multiple frequencies, the tag made by uid changeable zero sector writable with T5577 rewritable Chip.

specifications entrysyst:

• brand: Chip
• mpn: Xc121
• upc: 612289267885

seller entrysyst:

• city: brooklyn, new york
• rating: 88.0%
• # reviews: 19

offer entrysyst:

• in stock #: 4
• prices: $20.26–$26.85
• item condition: New
• sold #: 14
• availability: in stock
• started: august 3, 2025
• options: ship-to-home

shipping entrysyst:

• class: standard
• type: fixed
• service: standard
• transit: 4-9 days

payments entrysyst:

• other
• wallet: paypal
• credit card: visa

general entrysyst:

• category: Home & Garden > Security > Door Entry Systems Intercoms

returns entrysyst:

• time: 30 days
• method: money back
• policy: returns accepted
• paid by: buyer

Grouped With:

• B0C7VFDD2K: SYSTEM, Stanley