Common Proximity Cards: Categories and Specifications
Product Specifications
Product Name: ID Key Fob
Product Size:45*31*5.5mm
Product Color:5 color options available
Material: ABS Material
Weight: 0.004G
Craft: Silk Printing, Laser Engraving
Frequency: 125KHZ
Application: Access Control
Product Overview
ID card is a **125KHz low‑frequency passive read‑only proximity card** with a unique factory‑fixed ID number that cannot be modified. Powered and identified by card readers without batteries or physical contact, it is stable, durable, and cost‑effective. It is widely used for access control, time attendance, parking, patrol, membership management, and other identification scenarios.
Core Advantages
- **Standard Frequency**: 125KHz, compatible with almost all ID readers on the market
- **Unique ID Number**: Factory‑locked, unchangeable, traceable identity
- **Passive & Contactless**: No battery required, easy to use
- **High Sensitivity**: Fast recognition, stable reading distance (5–10cm, reader‑dependent)
- **Durable Construction**: Waterproof, shockproof, corrosion‑resistant, drop‑resistant
- **Multiple Formats**: Standard thin card, thick card, key fob, coin card available
- **Cost‑Effective**: High cost performance for large‑scale deployment, easy maintenance
Technical Specifications
- Operating Frequency: 125KHz
- Chip Types: EM4100 / EM4200 / TK4100 / 5577 / 8211, etc.
- Operation Mode: Read‑only passive, reader‑powered
- ID Number: Unique factory‑fixed ID, non‑rewritable
- Reading Distance: 5–10cm (depends on reader)
- Material: PVC / ABS
- Operating Temperature: -20°C ~ 70°C
- Protection: Waterproof, dustproof, impact‑resistant
Product Categories
1. Standard ID Thin / Thick Card
- Applications: Access control, time attendance, parking, membership, patrol, campus management
- Features: Printable, suitable for mass issuance
2. ID Key Fob Card
- Applications: Residential, office, parking lot, store access control
- Features: Portable, drop‑resistant, waterproof, compact
3. Rewritable ID Copy Cards (5200 / 5577 / 8211 / 8268)
- Support duplication for replacement or backup cards
- Selected models bypass firewalls to solve invalid reading issues
4. ID Authorization Card (Non‑copyable)
- Factory‑locked ID, for authorized issuance only
- High security for property, enterprise, and campus management systems
Applications
- Residential / Office / Campus: Building access, unit doors, turnstiles
- Parking Lots: Vehicle access, parking space management
- Enterprise / School: Time attendance, staff / student identification
- Commercial Venues: Membership management, points, verification
- Property / Security: Patrol checkpoints, restricted area access
- Public Institutions: Internal access, classification management, visitor check‑in
Compatible Systems
- Access Control System
- Time Attendance System
- Parking Management System
- Patrol Management System
- Membership Card System
- Campus / Campus Access System
Why Choose Us
- Stable Quality: New raw materials, strict QC, no code loss or misreading
- Strong Compatibility: Fully compatible with standard 125KHz readers, plug‑and‑play
- Full Range: One‑stop supply of thin cards, thick cards, key fobs, copy cards, authorization cards
- Efficient Delivery: Support mass customization, fast shipping, responsive after‑sales
- Official Authenticity: Transparent specs, no false labeling, ideal for long‑term projects
Notes
- ID card is a **125KHz low‑frequency card** and does **not** support direct reading/writing by NFC mobile phones.
- Copyable cards require professional duplicators; please select the correct model matching your original card.
- Authorization cards are for official system use only and do not support private duplication.
