Grandstream Access Card RFID 125 kHz passive card for door access and authentication

Grandstream Access Card RFID 125 kHz passive card is a contactless identification token designed for door access and user authentication. The card operates at 125 kHz EM proximity frequency and is compatible with access control readers that support passive EM tags. It is lightweight and formatted as a standard credit-card size for easy carrying in wallets or badge holders, intended for employee badges, visitor passes and secure entry systems that accept 125 kHz proximity cards.

Advantages

The passive 125 kHz design requires no internal battery and provides reliable contactless authentication at short range. Its standard card format makes it convenient to issue and present at access points. Compatibility with widely used 125 kHz EM readers enables straightforward integration into existing access control infrastructures without the need for additional hardware changes. The card’s durable construction supports everyday use in workplace and public-access environments.

Suitable for

• Employee identification and door entry systems
• Visitor passes and temporary access credentials
• Integration with existing 125 kHz access control readers and controllers
• Badge-based time and attendance tracking when paired with compatible readers

Key specifications

• Frequency: 125 kHz (EM proximity)
• Type: Passive RFID card (no internal power source)
• Form factor: Standard credit-card size (ISO-style PVC card)
• Read range: Short-range proximity (typical a few centimetres, depends on reader)
• Durability: Designed for regular handling and badge use

How to use

Present the Grandstream 125 kHz passive RFID card to a compatible access control reader within the reader’s detection range. The reader will detect the card’s EM proximity signal and forward the identifier to the access control system for authentication. Issue cards to users by encoding or enrolling the card identifier in the access control database according to the system’s provisioning process. No battery activation or special setup on the card itself is required.

Usage recommendations

Store cards in a flat position and avoid bending or exposing them to excessive heat. Use with access control readers and controllers that explicitly support 125 kHz EM proximity cards to ensure reliable detection. For environments requiring higher security features (encryption, unique identifiers with anti-cloning protections), evaluate credential technologies at higher security levels and consult the access control system vendor.