S20 RFID Handheld Reader 125KHz / 134.2KHz
The S20 RFID handheld reader is a compact and efficient low-frequency RFID scanning device designed for professional identification and tracking applications. Supporting 125KHz and 134.2KHz LF RFID standards, it is fully compatible with FDX-B and EMID protocols, making it especially suitable for livestock management, animal identification, and industrial asset tracking environments.
Engineered for field operations, the S20 combines long-range wireless communication (up to 80m in open field) with Bluetooth connectivity (up to 20m) and a fast tag reading speed of less than 100ms. Its integrated 1.44-inch TFT LCD screen and buzzer provide clear real-time feedback during scanning operations, ensuring high efficiency in both indoor and outdoor environments.
Powered by a 3.7V 800mAh lithium battery, the S20 offers stable portability and extended working time. With support for USB2.0, 2.4G wireless communication, and optional Bluetooth, it ensures seamless integration with data management systems.
As a professional RFID manufacturer, we provide OEM customization, firmware adaptation, and bulk supply services for the S20 RFID reader. It is widely used in livestock tracking systems, veterinary identification programs, and asset management applications requiring reliable low-frequency RFID performance.





| Specification | Details |
|---|---|
| Product Model | S20 RFID Handheld Reader |
| Operating Frequency | 134.2KHz / 125KHz |
| Labeling Protocols | FDX-B, EMID |
| Read & Write Distance | 0–200 cm (depends on tag type) |
| Read Time | < 100 ms |
| Wireless Distance | 0–80 m (open field) |
| Bluetooth Distance | 0–20 m (open field) |
| Display & Signal | 1.44-inch TFT LCD screen, buzzer |
| Battery | 3.7V 800mAh lithium battery |
| Storage Capacity | 500 records |
| Communication Interfaces | USB 2.0, 2.4G wireless, Bluetooth (optional) |
| Language | English / Chinese (customizable) |
| Operating Temperature | -10°C to 50°C |
| Storage Temperature | -30°C to 70°C |
| Humidity | 5%–95% non-condensing |
| Product Dimensions | 182mm × 77mm × 17.5mm |
| Net Weight | 134.1g |