1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your TKSTAR 4G GPS Tracker, Model TK905B 4G. This device is designed for real-time tracking of vehicles and assets, utilizing advanced GPS and AGPS dual positioning technology for accuracy up to 5 meters. It operates on existing GSM/GPRS/LTE networks and GPS satellites. Please read this manual thoroughly before use to ensure proper functionality and safety.
2. Package Contents
Verify that all items listed below are included in your package:
- TKSTAR 4G GPS Tracker (TK905B 4G)
- USB Charging Cable
- User Manual
- Storage Pouch

Image: The TKSTAR 4G GPS Tracker, its charging cable, and user manual are shown neatly arranged, indicating the complete package contents.
3. Device Overview
Familiarize yourself with the key components of your TKSTAR GPS Tracker:
- SIM Card Slot: Insert your data-enabled 4G SIM card here.
- USB Port: Used for charging the device.
- Indicator Lights: Provide status updates for GPS, network, and battery.
- Power Button: To turn the device on/off.
- Magnetic Base: For secure, no-installation attachment to metal surfaces.
Image: A close-up side view of the TKSTAR GPS Tracker highlights the SIM card slot, indicator light, and USB charging port, essential for device setup and operation.
4. Setup
4.1 SIM Card Installation
- Ensure the device is powered off.
- Open the rubber cover on the side of the tracker to access the SIM card slot.
- Insert a data-enabled 4G SIM card (not included) into the slot with the metal contacts facing down and the notched corner aligned correctly.
- Gently push the SIM card until it clicks into place.
- Close the rubber cover securely to maintain IP65 waterproofing.
4.2 Charging the Device
Before first use, fully charge the tracker. Connect the provided USB charging cable to the device's USB port and plug the other end into a compatible USB power adapter. The indicator light will show charging status. A full charge can provide up to 60 days of standby time.
4.3 Activating the Device & Platform Setup
Your TKSTAR GPS Tracker can be managed via SMS commands, a mobile application, or a web platform. Refer to the included user manual for specific SMS commands and detailed instructions on downloading and setting up the mobile app and web platform. No monthly fees are required for platform access, but a data plan for your SIM card is essential for communication.
5. Operating Instructions
5.1 Real-time Tracking
Monitor your tracker's location in real-time using the mobile app or web platform. You can also send SMS commands to receive location links directly to your phone.
Image: A smartphone screen shows a map with the TKSTAR GPS Tracker's real-time location, emphasizing the device's primary function.
5.2 Geo-Fence Setup and Alerts
Set up virtual boundaries (geo-fences) on the tracking platform. If the tracker enters or exits these predefined areas, you will receive an alert notification. The radius of the geo-fence is adjustable from 100 to 5000 meters.
5.3 Alarm Functions
The tracker supports various alarm features for enhanced security:
- Over-speed Alarm: Notifies you if the tracker exceeds a set speed limit.
- Shake Alarm: Alerts you if the device detects unexpected movement or vibration.
- Loosing Alarm: Triggers if the device is detached from its magnetic mount.
- Low Power Alarm: Informs you when the battery level is critically low.
5.4 History Route Playback
Access and review up to 90 days of historical travel routes through the mobile app or web platform. This feature allows you to see past movements and stops.
6. Battery Life and Waterproofing
The TKSTAR TK905B 4G is equipped with a built-in 5000mAh lithium-iron battery, providing an impressive standby time of up to 60 days. This ensures long-term tracking without frequent recharging. The device also features an IP65 waterproof design, making it dustproof and shockproof, suitable for use in various weather conditions, including rainy days.
Image: The TKSTAR GPS Tracker is shown partially submerged in water, illustrating its IP65 waterproof and durable construction.
7. Installation
The TKSTAR TK905B 4G features 5 strong built-in magnets, allowing for quick and easy installation on any iron surface. No wiring or complex tools are required. For optimal tracking and security, consider discreet placement on the vehicle's metal frame, under seats, or within bumpers.
Image: A diagram illustrates potential hidden installation spots for the magnetic GPS tracker on a car, such as the front bumper, under the driver's seat, or the rear bumper.
Video: A demonstration of the GL300 GPS Tracker being magnetically attached to a vehicle's undercarriage, highlighting the strong magnetic hold and ease of installation.
8. Troubleshooting
If you encounter issues with your TKSTAR GPS Tracker, please refer to the following common troubleshooting steps:
- No Signal/Offline: Ensure the SIM card is correctly inserted and has an active data plan. Check for network coverage in the device's location.
- Inaccurate Location: Verify the device has a clear line of sight to the sky for optimal GPS reception. AGPS may be used in areas with poor GPS signal.
- Battery Draining Quickly: Check your update frequency settings in the app/web platform. More frequent updates consume more battery.
- Alarms Not Triggering: Ensure alarm settings (e.g., geo-fence, speed limit) are correctly configured and activated in the app/web platform.
- Device Not Charging: Use the provided USB cable and a compatible power adapter. Check the charging port for any debris.
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | TK905B 4G |
| Connectivity Technology | Cellular (4G), GPS, AGPS |
| Positioning Accuracy | Up to 5 meters |
| Battery Capacity | 5000mAh Lithium-Iron |
| Standby Time | Up to 60 days |
| Waterproof Rating | IP65 (Dustproof, Shockproof, Waterproof) |
| Special Features | Built-in 5 Strong Magnets, Portable, No Installation Required |
| Supported Application | Tracking App, SMS, Web Platform |
| Item Weight | 13.6 ounces |
| Package Dimensions | 5.12 x 3.94 x 2.4 inches |
10. Important Notes
- A data-enabled 4G SIM card is required for the tracker to function, and it is not included in the package.
- While the device offers robust tracking capabilities, users are responsible for ensuring compliance with all local laws and regulations regarding GPS tracking. Unauthorized tracking of individuals or vehicles may be illegal.
- For optimal performance, ensure the device is placed in a location with good cellular and GPS signal reception.





