Proximity 125KHz Card

 Proximity 125KHz: The Smart, Contactless Solution for Efficient Access Control and More

Introduction to Proximity Cards

Proximity cards, also known as “prox cards,” are a type of contactless smart card that can be read without physical contact with a reader. They function similarly to traditional magnetic stripe cards, such as credit cards, but they do not require physical insertion into the reading device. The key advantage of proximity cards is that they can be read at a distance, offering a seamless and efficient experience.

These cards are a part of the broader contactless card technology and are designed to work by being held near an electronic reader for a brief moment. The reader then decodes an encoded number, often accompanied by an audible beep or sound to signal that the card has been successfully read.

While the term “prox card” was originally associated with older 125 kHz technology, today, proximity cards have evolved and use the newer 13.56 MHz technology, which provides better performance and broader use cases. Proximity cards are widely used for access control, time and attendance, contactless payments, and a variety of other applications where quick, secure, and convenient card-based identification is needed.

How Proximity Cards Work

Proximity cards rely on radio frequency identification (RFID) technology to transmit data to a reader. The cards have an embedded RFID chip and antenna that communicate wirelessly with the reader when brought within range. Proximity cards typically have a range of up to 50 cm (less than 15 inches), allowing for a wider scanning range compared to traditional contactless smart cards, which usually have a read range of only 2-10 cm (1-3 inches).

Upon holding a proximity card near the reader, the card transmits a unique identification number to the reader. In response, the reader processes this data and verifies the card’s identity, triggering the appropriate action (e.g., granting access to a door, recording attendance, etc.).

The typical features of a proximity card include:

• Contactless communication: No need to physically swipe or insert the card into the reader.
• Long read range: Up to 50 cm, which makes the process faster and more convenient.
• Durability: Proximity cards are generally built to be highly durable, capable of lasting for many years under normal usage conditions.

Key Applications of Proximity Cards

Proximity cards are commonly used in a wide range of applications, especially where secure, fast, and reliable identification is needed. Some of the most popular uses include:

Access Control

One of the most common applications for proximity cards is access control systems. In these systems, proximity cards are used to restrict or grant access to secure areas, such as:

• Office buildings: Employees use proximity cards to gain access to the workplace or restricted floors.
• Laboratories, data centers, and industrial zones: Areas requiring high security and controlled access.
• Parking lots: To allow vehicles access to secure parking areas.

By simply holding the proximity card near a reader, the system quickly authenticates the card, granting access without the need for manual entry.

Time and Attendance

Proximity cards are widely used in timekeeping systems to track employee attendance. Employees can simply scan their proximity cards when entering or exiting a facility. This process helps:

• Eliminate manual data entry: Automates the process of clocking in and out.
• Improve accuracy: Reduces the chances of time fraud or buddy punching.
• Enhance convenience: Employees don’t need to physically insert or swipe a card, just a quick scan.

ID and Membership Cards

Proximity cards are also used as employee ID cards, membership cards, and visitor badges. They can be linked to the person’s profile, allowing for:

• Customizable data storage: Proximity cards can store essential identification data, including names, roles, or membership status.
• Quick identification: When integrated with software, the proximity card can also store data such as the user’s access history or transaction history.

Payment Systems

Some proximity cards can be linked to cashless payment systems, allowing users to make payments for services like vending machines, toll booths, or public transportation. They can store a preloaded balance, which is used to pay for transactions. With the growing trend of contactless payments, proximity cards are becoming a key part of the payment landscape.

Elevator and Building Control

Proximity cards can be integrated with elevator systems for building access control. Only authorized personnel can access specific floors by scanning their proximity cards, preventing unauthorized individuals from entering sensitive areas.

Advantages of Proximity Cards

Convenience and Speed

One of the primary advantages of proximity cards is their ability to offer quick and easy access. Unlike traditional contact cards that need to be swiped or inserted into a reader, proximity cards can simply be held near the reader, speeding up the entire process.

Long Range Readability

Proximity cards offer a longer read range (up to 50 cm), which is a significant improvement over traditional contactless smart cards. This long range allows for greater flexibility in the placement of readers and facilitates a smoother user experience.

Durability and Reliability

Proximity cards are built to last. With a robust construction, they can withstand physical wear and tear, moisture, and environmental conditions. The materials used in proximity cards—PVC, ABS, or PET—are all durable and resistant to damage.

Enhanced Security

Proximity cards, especially those that use 13.56 MHz technology, are secure and resistant to cloning or unauthorized duplication. They use encrypted communication to ensure that only authorized readers can authenticate the card.

Versatility

Proximity cards can be used in a variety of settings and for different purposes, making them incredibly versatile. Whether it’s for access control, timekeeping, or payments, these cards offer the flexibility to be adapted to different environments and needs.

Technical Specifications of Proximity Cards

• Material: PVC, ABS, or PET
• Frequency: 125 kHz (older proximity card technology) or 13.56 MHz (modern smart proximity cards)
• Read Range: 5 – 15 cm for 125 kHz; up to 50 cm for 13.56 MHz cards
• Read Time: 1-2 ms
• Operating Temperature: 20 – 85°C
• Card Size:
  • Standard size: 85.7 x 54 mm
  • Other size options: 0.8 x 1.8 mm
• Compatibility: Compatible with various reader brands, including:
  • RonaldJack
  • Suprema
  • Hundure
  • Promag
  • Soyal
  • IDteck
  • ZKSoftware

Why Choose Beetech?

Beetech has over 12 years of experience in the AutoID field, specializing in RFID, barcode, and other identification technologies. As one of the leading providers in Vietnam, Beetech offers smart card solutions that are customizable to meet your needs.

What Sets Beetech Apart:

• Expert Consultation: Our engineers are highly qualified and can work with your team to design and implement tailored solutions.
• Comprehensive Support: From the initial consultation to ongoing product support, we manage the entire lifecycle of your solution.
• End-to-End Solutions: We provide integrated systems that work seamlessly with your existing infrastructure, helping you maximize the efficiency and functionality of your proximity card systems.

Proximity cards represent a modern, efficient, and secure solution for access control, time and attendance tracking, cashless payments, and more. With their long-range, durability, and ease of use, proximity cards are a versatile and reliable choice for organizations looking to enhance their security and streamline their operations.

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