RFID key fob Atlo ATLO-524/B — contactless access token, passive 125 kHz compatible

Atlo ATLO-524/B is a compact RFID key fob designed as a contactless access token operating at 125 kHz. This passive proximity device transmits a unique identifier when presented to compatible readers and is intended for use in access control systems, time and attendance terminals, and equipment authorization. Its small, lightweight housing allows convenient attachment to keyrings while offering resistance to everyday wear.

Advantages

The key fob provides contactless identification without an internal power source, ensuring long-term operation with no battery maintenance. Its 125 kHz RF technology is compatible with widely used low-frequency readers, enabling straightforward integration into existing access control installations. The robust plastic casing resists scratches and minor impacts, and the compact form factor makes it easy to carry alongside keys or badges.

Suitable for

• Door entry systems in offices and residential buildings
• Time and attendance tracking terminals
• Equipment and device authorization
• Visitor and temporary access management

Key specifications

• Technology: Passive low-frequency RFID (125 kHz)
• Form factor: Key fob — compact, ring attachment
• Operation: Contactless read range suitable for proximity readers
• Durability: Hard plastic housing with impact and scratch resistance
• Power: Passive device — no internal battery required

How to use

Present the Atlo ATLO-524/B key fob to the reader’s sensing area at a distance appropriate for 125 kHz proximity devices, typically a few centimetres depending on the reader model. The reader will detect the unique identifier transmitted by the fob and grant or deny access according to the system configuration. For initial setup, enrol the fob’s identifier in the access control or attendance system following the system vendor’s registration procedure.

Usage recommendations

Store and handle the fob with standard care: avoid prolonged exposure to direct sunlight, extreme temperatures, and strong mechanical stress. Clean with a soft, dry cloth; do not use aggressive chemicals. When integrating with existing systems, verify reader compatibility with 125 kHz passive tokens and follow manufacturer instructions for enrollment and access rights management.