A practical alternative to an RFID card for user identification and charging authorisation.

It operates using the MIFARE standard (ISO/IEC 14443A), making it compatible with common RFID readers used in charging systems. Its durable design with a metal ring makes it suitable for everyday use on a keyring.

Technical specifications

• Frequency: 13.56 MHz
• Protocol: ISO/IEC 14443A
• Dimensions: 55 × 32 × 7 mm
• Colour: black / silver ring