1. Introduction
The S03 is a low-frequency tag reader utilizing wireless identification technology, supporting the reading of FDX-B (ISO11784/85) tags. It features a high-brightness OLED display that remains clear indoors or under strong outdoor light. With built-in memory capable of storing up to 20,000 tag records, users can transfer data to computers via USB cable or wireless connection for efficient management. This stable and user-friendly device is ideal for applications such as animal management, resource management, railway inspections, and so on.
2. Characteristic

3. Feature
Universal Protocol Compatibility
✅ Supports 134.2KHz frequency band with full compatibility for FDX-B and ISO11784/85 standard tags – ideal for animal tracking, wildlife research, and industrial asset management.
High-Speed Data Management
✅ Built-in memory stores tag records + seamless data transfer via USB cable or Bluetooth® wireless technology for instant analysis on any PC or mobile device.
Multilingual Support
✅ Customizable language options including English, Chinese, Japanese, Russian, and more – adaptable to global operational needs.
Rugged Environmental Performance
✅ Operates reliably in extreme temperatures from -10°C to 50°C – engineered for outdoor use in harsh climates.
User-Centric Design
✅ 128x64 high-brightness OLED display delivers crisp visibility in sunlight or low light, paired with three intuitive buttons for effortless concise and intuitive operational feedback.
l Extended Battery Life
✅Powered by three AA batteries delivering 12+ hours of continuous operation – no recharging needed for remote fieldwork.
4. Application
Animal Identification and Management: Widely used for animal identification and management in agriculture, such as cattle, pigs, sheep, etc. It can quickly and accurately read information on electronic ear tags, facilitating breeding management, epidemic prevention and control, and traceability of meat products.
Pet Management: Used for pet chip scanning, which is convenient for pet owners and related institutions to manage pet information, preventing pets from getting lost and ensuring their safety. For example, in pet hospitals, pet grooming parlors, and other places, pet chips can be quickly scanned to obtain basic information about the pet, providing better services for them.
Scientific Research and Conservation of Wildlife: In wildlife research and protection projects, this RFID readers can be used to manage and identify individual animals without causing interference or harm to them. This allows researchers to collect behavioral habits, population distribution, migration routes, and other information about wildlife, contributing to scientific research and conservation efforts.
The S03 reader is an indispensable assistant in your animal identification and management work! And we also have many other animal card readers for you to choose.
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