OCB-MF-03B – MIFARE® S50 1K Proximity Keychain (Blue)

The OCB-MF-03B is a compact and durable MIFARE® S50 1K proximity keychain designed for secure and convenient access control applications. Operating at 13.56MHz, this key fob combines reliable contactless performance with a rugged form factor, making it ideal for daily use in professional environments where portability and durability are essential.

Product Features

• MIFARE® S50 chip with 1KB memory capacity
• 13.56MHz contactless smart card technology
• Read/write functionality for flexible system configuration
• Compact keychain form factor for everyday carry
• Durable ABS housing resistant to wear and impact
• Blue color for easy visual identification
• Passive RFID operation – no battery required
• Stable and fast communication with MIFARE® readers
• Pre-punched keyring hole for secure attachment

Product Advantages

• More secure than low-frequency 125kHz key fobs
• Ideal for users who prefer keychain credentials instead of cards
• Durable construction suitable for heavy daily use
• Supports advanced access control features and data sectors
• Easy integration with MIFARE®-based systems
• Maintenance-free and long service life
• Reduces loss risk compared to standard cards

Professional Applications

• Corporate and commercial access control systems
• Office buildings and business parks
• Residential gated communities
• Parking access and vehicle entry systems
• Time & attendance solutions
• Educational campuses
• Visitor and staff identification

The OCB-MF-03B MIFARE® S50 1K Keychain offers a secure, compact, and professional credential solution for modern access control systems. Its durable design, reliable RF performance, and user-friendly form factor make it ideal for high-frequency daily use.