The OB108CQ features a contactless reader compliant with ISO 14443 A/B standards, compatible with smart cards and digital travel tickets. The barcode and QR-Code reader enables immediate validation of paper tickets or digital tickets on smartphones and tablets. The 4.3-inch touchscreen display allows intuitive fare selection and provides clear instructions to passengers, while the tricolor LED indicates validation status in real-time. The system integrates a self-diagnostic function that monitors device operation and sends notifications in case of anomalies, improving operational efficiency. Communication with the central system occurs via Ethernet RJ45, ensuring reliable integration with onboard infrastructure. The device is designed to operate in a temperature range between -25°C and +70°C, with protection against overvoltage and polarity reversal, ensuring maximum reliability and longevity. Thanks to its low power consumption (12W) and compatibility with power supplies between 11V and 36V DC, the validator is suitable for both vehicle installations and fixed stations, making it a versatile solution for public transport.