Un NFC keyfob, short for Near Field Communication Keyfob, is a type of smart keyfob that incorporates NFC technology. It not only has the functions of a traditional keyfob, such as carrying keys and decoration, but also achieves various intelligent functions through the built-in Puce NFC, including wireless data exchange, identity recognition, and access card simulation. This article will delve into the types, common parameters, fonctions, and application scenarios of NFC keyfobs.

What types of NFC keyfobs are there?

NFC keyfobs can be divided into various types based on material, design, and functionality:
1. ABS material keyfobs: Made from ABS plastic, lightweight and durable, relatively low in price, suitable for everyday use.
2. Silicone material keyfobs: Soft and comfortable, with a good feel and certain elasticity, not easily damaged.
3. Metal material keyfobs: Stylish appearance, high-quality feel, but relatively expensive, suitable for users who pursue quality.
4. Epoxy resin material keyfobs: Waterproof and dustproof, with strong durability, suitable for outdoor or harsh environments.
En outre, NFC keyfobs can also be further classified based on chip types, such as NTAG 213 chip, NTAG 203 chip, etc., with different chips varying in storage capacity, sécurité, and other aspects.

Common Parameters of NFC Key Fobs

Some common parameters of NFC keyfobs include:

  • Fréquence de fonctionnement: Typically 13.56MHz, qui est la fréquence de fonctionnement standard pour la technologie NFC.
  • Capacité de stockage: The storage capacity of NFC keyfobs varies depending on the type of chip, with common storage capacities being 144 octets, 504 octets, etc..
  • Distance de communication: The communication distance of NFC technology is relatively short, generally within 10 centimètres, Assurer la sécurité et la fiabilité de la transmission des données.
  • Température de fonctionnement: NFC keyfobs usually operate normally within a certain temperature range, comme -20 ° C à 70 ° C.

Functions of NFC KeyFobs

The functions of NFC keyfobs are rich and varied, incluant principalement:

  1. Access card emulation: Inputting access card information into the NFC keyfob to enable cardless entry.
  2. Public transport card emulation: In some cities, public transport cards support NFC technology, allowing the card information to be input into the NFC keyfob for cardless travel.
  3. Fonction de paiement: By linking a bank card or payment platform, it enables cashless and convenient payments.
  4. Transmission d'informations: Quickly transferring files, images, and other information with other NFC devices.
  5. Identity verification: In situations requiring identity verification, such as company access control or gyms, the NFC keyfob can serve as proof of identity.

Application of NFC keyfobs

NFC keychain are used in a wide range of applications, covering many aspects of daily life:

  1. Système de contrôle d'accès: In companies, communities, schools and other places that need access control cards, NFC keychain can easily replace physical access control cards and realize contactless door opening.
  2. Transports en commun: Les bus et les métros de certaines villes prennent en charge la technologie NFC, and the NFC keychain can be used as a bus card or subway card for convenient travel.
  3. Scénario de paiement: Whether it is offline shopping or online payment, NFC keyfob can provide a convenient and secure payment method.
  4. Transmission d'informations: In the occasion that you need to quickly transfer documents, pictures and other information, such as conferences, exhibitions, etc., the NFC keychain can quickly transmit data with other NFC devices.
  5. Identification: In occasions that require identity verification, such as gyms, libraries, etc., NFC keychains can be used as a credential for identity recognition to improve management efficiency.

En bref, NFC keychain, as a fashionable, practical and intelligent keychain product, is gradually changing our lifestyle. Avec l'avancement continu de la technologie et l'expansion continue des scénarios d'application, NFC keychains are bound to play a more important role in the future.

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Tags NFC
Bracelets NFC
Cartes NFC
Autocollants NFC
Porte-clés NFC