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RFID For Key Fob

Porte-clés RFID

Porte-clés RFID avec puce TK4100, fréquence 125 kHz, conçu pour le contrôle d'accès, les systèmes de stationnement et l'identification. Fabricant de porte-clés RFID sur mesure offrant une assistance OEM, des commandes en gros et le préchargement de données.

DÉTAILS DU PRODUIT

RFID Key Fob – Structure, Applications & Custom RFID Keychain Solution

Un Porte-clé RFID is a compact identification device that integrates radio frequency identification (RFID) technology into a portable keychain form.
It is widely used for identity recognition, access control, payment systems, and asset management.
With a simple structure, stable performance, and easy portability, RFID key fobs are ideal for both commercial and industrial applications.

125khz RFID EM4100 TK4100 Key Fobs Example


Structure Composition of RFID Key Fob

1. Housing

The housing is typically made of ABS, PVC, PET, or metal, designed to protect internal components and ensure long-term durability.

Functions:

  • Protection: Shields the RFID chip and antenna from water, dust, and physical impact

  • Identification: Supports logo printing, numbering, or custom markings

  • Portability: Keychain-style design for easy attachment to keys, bags, or lanyards


2. RFID Chip

The RFID chip is the core component, responsible for data storage and communication with the reader.

Chip Types by Frequency:

  • Low Frequency (LF, 125 kHz):
    Suitable for basic identification, access control, and attendance systems

  • High Frequency (HF, 13.56 MHz):
    Commonly used in secure access control, membership systems, and payment applications

  • Ultra-High Frequency (UHF):
    Designed for long-range identification and logistics tracking


3. Antenna

The antenna enables wireless communication between the key fob and the RFID reader.

Caractéristiques :

  • Made of copper or aluminum wire

  • Captures electromagnetic signals from the reader

  • Transmits data stored in the RFID chip

  • Antenna size and shape are optimized according to operating frequency


4. Internal Filling Material

Internal filling materials, such as epoxy resin, are used to fix and protect the chip and antenna.

Functions:

  • Prevents component movement

  • Enhances resistance to vibration and drops

  • Improves overall product reliability


Application Scenarios

Access Control Management

Used as an alternative to access cards in offices, residential communities, schools, and factories, improving security and convenience.

Parking Management Systems

Integrated into parking systems for vehicle identification, fast entry/exit, and automated billing.

Membership Management

Applied in gyms, clubs, shopping malls, and loyalty programs for member identification and points management.

Logistics & Supply Chain

Used for cargo tracking, inventory control, and transportation monitoring.

Public Transportation

Convient pour contactless payment systems, such as bus cards and metro cards.


Product Customization Services

Customization Options

  • Outer Design: Custom colors, shapes (round, square, or special-shaped)

  • Branding: Silk-screen printing or laser engraving for logos, text, or QR codes

  • Chip Selection: LF, HF, or UHF chips based on application requirements

  • Data Pre-loading: UID writing, encryption, and data initialization for bulk orders

Customization Process

  1. Requirement Submission: Provide specifications, quantity, and application details

  2. Design Confirmation: Sample development and design approval

  3. Mass Production: Fast bulk production after sample confirmation


After-Sales Service

  • 1-year warranty with free repair or replacement during the warranty period

  • Lifetime technical support for product usage and system integration


Paramètres du produit

Paramètres du produit
Nom du produit
RFID pour les porte-clés
Taille 28*35mm
Puce TK4100
Fréquence 125Khz
Protocole ISO7814/5
Vie professionnelle 100 000 fois
Température de travail -20℃~70℃
Poids 0,005KG
Distance de lecture 2~5cm
Mémoire 64 bits
Taille du carton 38*20*28cm
GW 12KG

Packaging:

RFID For Key Fob Packing
100 pcs / bag
2000 pcs / carton

Carton Size: 38 × 20 × 28 cm
Gross Weight: 12 kg

actual situation of the factory

Our Certifications

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