Compact and efficient RFID card reader designed for seamless access control and identification applications. Key Features: Compatible with multiple card types: 125KHZ: Supports EM4100 cards 13.56MHz: Supports MIFARE Classic 1K and 4K cards Simple output format: Reads the first 10 digits from compatible cards Power supply: Operates on DC 5V for reliable performance Connectivity: USB interface, with OTG support for direct connection to Android phones Benefits: Flexible card type support ensures compatibility with widely used RFID standards Easy integration with existing systems via USB or OTG Compact design makes it easy to carry and use in various locations Reliable and accurate card data reading for improved workflow efficiency Practical Applications: Office or facility access control systems for secure and efficient entry Event or conference management for quick attendee checkin and verification Inventory and asset tracking in warehouses using RFIDtagged items With its dual frequency compatibility, simple USB power, and portable OTG capability, this RFID card reader offers a professional and dependable solution for everyday identification needs.