1. Introduction
This manual provides instructions for the proper use and maintenance of the Yanzeo SR200 Portable Bluetooth UHF RFID Reader Writer. The SR200 is designed for efficient reading and writing of UHF RFID tags, offering connectivity via Bluetooth and USB, and is compatible with Android devices through its SDK.
2. Product Overview
The Yanzeo SR200 is a compact and portable device engineered for reliable UHF RFID operations. It features a robust design and high-performance components to ensure consistent functionality.
Key Features:
- SDK Compatible with Android for application development.
- UHF frequency range: 840-960 MHz, supporting ISO/IEC18000-6B/C standards.
- Flexible connectivity options: Bluetooth for wireless communication and USB for wired connections with smartphones and computers.
- Designed with high-quality components for consistent performance.
- Built-in rechargeable lithium battery.
- Reading distance up to 3 meters, influenced by tag type and environment.
Product Components:










3. Setup
3.1 Charging the Device
Before initial use, fully charge the SR200. Connect the device to a power source using the provided USB Type-C cable. The charging indicator light will provide status updates.
3.2 Connecting via Bluetooth
- Ensure the SR200 is powered on.
- Enable Bluetooth on your Android smartphone or compatible device.
- Search for available Bluetooth devices and select 'SR200' from the list.
- Follow any on-screen prompts to complete the pairing process.
3.3 Connecting via USB
Connect the SR200 to your computer or smartphone using a USB Type-C cable. The device will be recognized as a peripheral, allowing for data transfer and power supply.
3.4 SDK Installation (for Android)
For application development, download and integrate the provided SDK for Android. Refer to the SDK documentation for detailed installation and programming instructions.
4. Operating Instructions
4.1 Powering On/Off
- To power on: Press and hold the power button until the indicator light illuminates.
- To power off: Press and hold the power button until the indicator light turns off.
4.2 Reading RFID Tags
- Ensure the SR200 is connected to your host device (smartphone/computer).
- Open the compatible application on your host device.
- Point the SR200 towards the UHF RFID tag.
- Activate the reading function via the application or the device's trigger button (if available).
- The application will display the tag data upon successful reading.
4.3 Writing RFID Tags
Writing data to RFID tags requires a compatible application and specific tag types that support writing. Refer to your application's instructions and the SDK documentation for details on writing procedures.
5. Maintenance
5.1 Cleaning
Wipe the device with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or harsh chemicals that could damage the device's surface or internal components.
5.2 Battery Care
- Avoid fully discharging the battery frequently.
- Store the device in a cool, dry place when not in use for extended periods.
- Charge the device periodically if stored for a long time to maintain battery health.
5.3 Storage
Store the SR200 in a clean, dry environment away from extreme temperatures, direct sunlight, and high humidity. Keep it protected from physical impact.
6. Troubleshooting
6.1 Device Not Powering On
- Ensure the battery is charged. Connect the device to a power source and allow it to charge for at least 30 minutes before attempting to power on again.
- Verify the power button is being pressed correctly and held for the required duration.
6.2 Unable to Connect via Bluetooth
- Confirm Bluetooth is enabled on both the SR200 and the host device.
- Ensure the SR200 is within the effective range of the host device.
- Try unpairing and re-pairing the device.
- Restart both the SR200 and the host device.
6.3 Unable to Read RFID Tags
- Check if the SR200 is properly connected to the host device and the application is running.
- Ensure the RFID tags are within the reading range (up to 3 meters, but can vary).
- Verify that the tags are UHF RFID tags compatible with the 840-960 MHz frequency.
- Environmental factors (e.g., metal objects, other RF interference) can affect reading performance. Try reading in a different location.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | Yanzeo |
| Model Number | SR200 |
| UHF Frequency | 840-960 MHz |
| RFID Standards | ISO/IEC18000-6B/C |
| Connectivity Technology | Bluetooth, USB Type-C |
| Compatible Operating Systems | Android (SDK available), Mac OS, Windows, Linux, iOS (SDK available) |
| Power Source | 1 Lithium Polymer battery (included) |
| Item Weight | 7.4 ounces |
| Package Dimensions | 6.69 x 4.21 x 1.34 inches |
| Special Feature | Portable |
| Typical Reading Distance | Up to 3 meters (environment dependent) |
8. Warranty and Support
For warranty information, please refer to the documentation provided with your purchase or contact Yanzeo customer support directly. A detailed user manual in PDF format is also available for download: Yanzeo SR200 User Manual (PDF).





