SINOTRACK Sinotrack ST-906W gps tracker
SinoTrack ST-906W 3G GPS Tracker User Manual
Model: ST-906W | Brand: SinoTrack
1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your SinoTrack ST-906W 3G GPS Tracker. Please read this manual carefully before using the device to ensure proper functionality and safety.
1.1 Product Features
- Real-time GPS tracking via web platform and mobile app.
- 3G network support for reliable connectivity.
- SOS button for emergency alerts.
- Voice monitoring capability.
- Geo-fence alarm for defined safe zones.
- ACC anti-theft alarm, overspeed alarm, shock alarm.
- Built-in 180mAh backup battery.
- Lifetime free tracking platform support.
2. Package Contents
Please check the contents of your package upon opening:
- SinoTrack ST-906W 3G GPS Tracker Unit
- Power Cable (multi-wire harness)
- SOS Button
- Microphone
- Relay (for remote cut-off function)
- User Manual (this document)

Image: Contents of the SinoTrack ST-906W package, showing the main tracker unit, various cables, SOS button, microphone, and a relay.
3. Setup and Installation
3.1 SIM Card Installation
- Ensure the device is powered off.
- Locate the SIM card slot on the side of the tracker unit.
- Insert a 3G-compatible SIM card (not included) into the slot. Ensure the SIM card has sufficient data for tracking (approx. 30MB/month).
- Close the SIM card slot cover securely.
3.2 Wiring Diagram and Connections
The ST-906W tracker requires connection to your vehicle's power supply. Refer to the following wiring instructions:
- Red Wire: Connect to vehicle's positive power supply (+12V / +24V).
- Black Wire: Connect to vehicle's negative ground.
- Orange Wire: Connect to ACC (Accessory) ignition wire. This allows the device to detect ignition status.
- Yellow Wire: Connect to the relay for remote fuel/power cut-off (optional).
- Blue Wire: Connect to the SOS button.
- Green Wire: Connect to the microphone.

Image: The SinoTrack ST-906W tracker unit with its multi-colored wiring harness, illustrating the various connection points for power, ignition, SOS, microphone, and relay.
3.3 Device Placement
For optimal GPS signal reception, install the tracker in a location with a clear view of the sky, away from metal obstructions. Common installation locations include under the dashboard, inside the glove compartment, or under the seats.

Image: Illustration of various vehicle types (car, bus, truck, motorcycle, off-roader) where the SinoTrack ST-906W GPS tracker can be installed.
4. Operating the Device
4.1 Power On/Off
The device powers on automatically when connected to the vehicle's power supply. It will charge its internal backup battery when the engine is running.
4.2 Tracking Platform and Mobile App
The SinoTrack ST-906W can be tracked via a web platform or a dedicated mobile application. The platform offers lifetime free access.
- Web Platform: Visit the official SinoTrack tracking website (URL typically provided in packaging or by seller). Log in using your device ID and password.
- Mobile App: Download the "vipSinoTrack" app from the App Store (iOS) or Google Play Store (Android).

Image: Two smartphone screens demonstrating the SinoTrack mobile application. One shows real-time tracking with vehicle location and status, and the other illustrates the Geo-fence feature with a defined circular area on a map.

Image: A screenshot of the SinoTrack web tracking platform, displaying a map with a vehicle's real-time location and a highlighted route for history playback.
4.3 Key Functions
- Real-time Tracking: View the current location and status of your vehicle.
- History Route Playback: Review past travel routes for up to two years.
- Geo-fence: Set up virtual boundaries. Receive alerts when the vehicle enters or exits these predefined areas.
- SOS Alarm: Press the SOS button to send an emergency message and call to pre-set guardian numbers.
- Voice Monitoring: Call the SIM card number in the device to listen to the surrounding audio.
- Overspeed Alarm: Receive alerts if the vehicle exceeds a set speed limit.
- Shock Alarm: Alerts for unusual vibrations or impacts.
- ACC Anti-theft Alarm: Alerts if the ignition is turned on without authorization.
- Remote Cut-off (Optional): If connected to a relay, you can remotely cut off the fuel or power supply to the vehicle.

Image: A collection of icons illustrating the main features of the SinoTrack ST-906W, including real-time tracking, history playback, remote cut-off, geo-fence, overspeed, shock alarm, sleep mode, built-in battery, voice monitoring, and SOS alarm.
5. Maintenance
- Ensure the device is securely mounted to prevent damage from vibrations.
- Keep the device clean and free from dust and moisture.
- Regularly check the SIM card's data balance to ensure continuous tracking.
- The built-in battery is designed for backup; ensure the device is primarily powered by the vehicle's electrical system.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not online | No SIM card, SIM card not activated, no data, poor network signal, incorrect APN settings. | Check SIM card insertion, activate SIM, ensure data plan, move to area with better signal, configure APN via SMS commands (refer to advanced settings). |
| GPS signal weak/no signal | Device installed in a hidden location, metal obstructions, indoors. | Relocate the device to a position with a clear view of the sky. Test outdoors. |
| Alarms not working | Alarms not configured, incorrect settings. | Configure alarm settings via the web platform or mobile app. Ensure guardian numbers are correctly set for SOS. |
| Voice monitoring not working | Microphone not connected, SIM card issues, incorrect guardian number. | Check microphone connection. Ensure SIM card can receive calls. Verify the number calling the device is a registered guardian number. |
7. Specifications
| Feature | Detail |
|---|---|
| Model | ST-906W |
| Network | 3G (WCDMA) / 2G (GSM) |
| GPS Accuracy | 5-10 meters |
| Battery | 180mAh Lithium-ion (Built-in backup) |
| Operating Voltage | 9-36V DC |
| Dimensions (L x W x H) | 10 x 5 x 2.5 cm (approx. 3.94 x 1.97 x 0.98 inches) |
| Connectivity | Cellular |
| Compatible Devices | Personal Computer, Smartphone, Tablet |
| UPC | 716852848218 |

Image: A diagram showing the physical dimensions of the SinoTrack ST-906W GPS tracker, measuring approximately 3.94 inches in length, 1.97 inches in width, and 0.98 inches in height.
8. Warranty and Support
SinoTrack offers a 30-day no-questions-asked return policy. For any issues or inquiries, please contact SinoTrack customer service. The tracking platform is provided free for lifetime use.
For technical support, you may refer to the contact information provided with your product or visit the official SinoTrack website.
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