T-mark T2-2 GNSS Tracke
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The T2-2 GNSS Tracker is a device that helps in tracking the location of vehicles. It comes with features such as no-wire installation, driving behavior analysis, multi-GNSS, location data re-upload, smart power saving, multiple working modes, and anomaly alerts (vibration, over-speed, power-off, etc.). It operates on an operating voltage of 3.5-4.3 VDC and has an internal backup battery of 6800mAh battery.
Operating Environment
- Operating voltage: 3.5-4.3 VDC
- Internal backup battery: 6800mAh battery
- Operating current: 50mA
- Standby current: 2mA
- Operating temperature: -20 to 70
- Storage temperature: -40 to +85
- Positioning accuracy:
Product Usage Instructions
- Before using the T2-2 GNSS Tracker, make sure to read the user manual carefully for correct installation and quick online activation.
- To use the device, simply install it in your vehicle using the no-wire installation feature. Once installed, the device will track your vehicle’s location and provide you with driving behavior analysis. It also comes with an anomaly alert feature that will alert you in case of any abnormal activity such as vibration, over-speeding or power-off.
- The T2-2 GNSS Tracker operates on an operating voltage of 3.5-4.3 VDC and has an internal backup battery of 6800mAh battery.
- It can be used in an operating temperature range of -20 to 70 and stored in a temperature range of -40 to +85.
- Overall, the T2-2 GNSS Tracker is a reliable device for tracking your vehicle’s location and keeping you informed about any abnormal activity.
Please read the manuals carefully before you use it, so as to get the correct installation and quick online activation. If the appearance and color of the product are changed, the object will prevail.
Introduction
Features
- No-wire installation
- Driving behavior analysis
- Multi-GNSS
- Location data re-upload
- Smart power saving
- Multiple working modes
- Anomaly alert (vibration, over-speed, power-off, etc.)
Operating Environment
- Operating voltage: 3.5-4.3 VDC
- Internal backup battery: 6800mAh battery
- Operating current: 50mA
- Standby current: 2mA
- Operating temperature: -20℃ to 70℃
- Storage temperature: -40℃ to +85℃
- Positioning accuracy: <10m
- Location modes: GPS, BDS, AGPS, and LBS
Frequency Bands
- GSM: B2/B3/B5/B8
Overview
Appearance![]()
Connotations of Indicators
Working status indicator (Blue)
- Slow flashing The device is working
- Off Automatically turns off after 3 mins of power on.
Charging status indicator (Red)
- Slow flashing Device battery is charging
- Keep on Device battery fully charged
- Off Automatically turns off after 3 mins of power on
- Note: By default, when the device is stationary for 3 minutes, the LED will automatically turn off and wake up after a vibration.
Installation
Inserting the SIM Card
- Step 1 Prepare a proper SIM card;

Step 2 Insert the SIM.![]()
- After the SIM card is inserted, the device powers on using the backup battery. If the device fails to power on due to low battery, you can connect the device to the external power.
Note: The SIM card must be inserted correctly, has GPRS services activated, and is not in arrears. If the SIM is identified and requires a
- PIN, please disable the PIN request.
Installing the Device
- Put under the car seat or other hidden places, place the environment do not have signal interference
Product Features
| Content | Function | Description |
| Positioning function | Timed tracking | Transmit back the positioning information such as latitude and longitude according to the set interval time. |
| Street map | 360 degree high-definition map | |
| Speeding alarm | When driving over speed, the locator will send alarm to your cell phone | |
| Vibration alarm | Built-in vibration sensor, continuous vibration of the vehicle, the device will immediately send alarm alerts | |
| Electronic fence | When the car driving range exceeds the specified area, the platform will send alarm information | |
| History track | Can play back 90 days of the track, playback the speed, direction, stay time and other content | |
| Displacement alarm | When the vehicle encounters illegal operation or theft, the fuel, and electricity can be cut off remotely by computer or cell phone APP | |
| Fleet management | 1 cell phone can manage multiple devices, or 1 device multiple cell phone management |
Analysis of common problems
| Failure phenomenon | Failure analysis | Treatment method |
| GPS is not positioned | Determine whether to use the terminal in areas with poor GPS signals, such as near tall buildings or underground parking lots | Move the vehicle to a location with a good signal Use the terminal |
| Determine whether the front windshield of the vehicle has metal heat insulation film affecting the signal reception | If there is a film, the equipment will be changed to other vehicles to test whether the blue light is always on, such as in other vehicles without film to test no problem, then the vehicle is caused by the film | |
| Determine whether there is a shield or signal jammer on or around the car | If there is a shield or source of interference, remove the shield or source of interference and try to reinstall | |
| GSM is not working | Determine whether the SIM card is installed properly | Check whether the SIM card is installed in place |
| Determine if there is dirt or poor contact on the metal surface of the SIM card | Wipe the metal chip surface with a clean cloth or repeatedly insert and remove the card several times | |
| Determine if the vehicle is in a place with no mobile network, such as an underground parking lot. | Please drive the vehicle to a place with good network signal and try to reinstall it. | |
| Determine whether the server background is normal | Ask if the server of the background management platform is normal | |
| Determine whether the SIM card status is normal or not | Check whether the status of the SIM card is normal through the SIM card inquiry platform | |
| Determine whether there is a shield or signal interferer on the car or around | If there is a shield or source of interference, remove the shield or source of interference and try to reinstall |




















