Бүтээгдэхүүн дууссанview
The MasTrack MT-121 is a compact, hardwired GPS tracking device engineered for reliable, real-time location monitoring of various vehicles, including cars, trucks, fleet vehicles, and heavy machinery. This device offers robust features for enhanced security, operational efficiency, and driver management. It requires a monthly subscription for service.

This image illustrates the MasTrack MT-121 hardwired GPS tracker alongside a smartphone displaying ignition alerts and a computer monitor showing a detailed map with vehicle tracking history and current location points.
Тохиргоо ба суурилуулалт
The MasTrack MT-121 is designed for simple 3-wire installation, which can typically be completed by an amateur or professional in less than 30 minutes. No external antennas or drilling are required. The device is covert and can be easily hidden within the vehicle.
Суулгах алхамууд:
- Эрчим хүчний эх үүсвэрийг тодорхойлох: Locate a constant 12V power source, an ignition-switched 12V power source, and a reliable ground point within your vehicle's electrical system. Consult your vehicle's wiring diagram if unsure.
- Холбох утас: Connect the red wire from the MasTrack device to the constant 12V power source. Connect the white wire to the ignition-switched 12V power source. Connect the black wire to the vehicle's chassis ground. Ensure all connections are secure and properly insulated.
- Аюулгүй төхөөрөмж: Once wired, secure the MasTrack device in a discreet location within the vehicle, away from direct heat or moisture. Ensure it is not obstructed by metal, which could interfere with GPS signal reception.
- Үйлдлийг баталгаажуулах: After installation, verify the device is receiving power and transmitting data by logging into your MasTrack web portal or mobile app to confirm live tracking.

Нарийвчилсан view of the MasTrack MT-121 GPS tracker, highlighting its compact design and the multi-colored wiring harness used for hardwired installation into a vehicle's electrical system.
Ашиглалтын заавар
The MasTrack MT-121 provides live GPS tracking and comprehensive reporting accessible via a web portal and mobile applications.
Accessing Tracking Data:
- Web Портал: Log in to the MasTrack web portal from any computer or web-enabled device. The portal provides a detailed map interface for live tracking, historical trip data, and report generation.
- Гар утасны програм: Download the MasTrack mobile application (available on Android and iOS) for convenient tracking on your smartphone or tablet.

This image displays the user interface of the MasTrack mobile application on two smartphones and the web-based tracking portal on a computer monitor, demonstrating the accessibility of live and historical tracking data across different devices.
Key Features and Alerts:
- Live Map Updates: View your vehicle's location in real-time with updates as frequent as every 1 minute.
- Unlimited Reporting: Access detailed reports on vehicle activity, including mileage, speed, and stop times.
- Анхааруулах мэдэгдэл: Configure various alerts, such as speed alerts, geofence entry/exit, ignition on/off, harsh braking, rapid acceleration, and tow alerts. Notifications can be sent via email or text message.
- Trip Replay: Review past trips on the map to analyze routes taken and events that occurred.
This video demonstrates the 'Trip Replay' feature of the MasTrack Live GPS tracking system, allowing users to review past routes and vehicle movements on a map interface.

A conceptual diagram showing the operational flow of the MasTrack GPS system, from satellite signal reception by the vehicle tracker to data transmission via cellular networks to the user's device.
Засвар үйлчилгээ
The MasTrack MT-121 is designed for minimal maintenance. As a sealed electronic device, it does not require user-level servicing or part replacement. To ensure optimal performance and longevity:
- Төхөөрөмжийг цэвэр, тоос шороо, хог хаягдлаас хол байлга.
- Ensure the installation area remains dry and protected from extreme temperatures.
- Утасны холболтыг найдвартай, зэврэлтээс хамгаалахын тулд үе үе шалгаж байгаарай.
No specific software updates or battery replacements are typically required by the end-user. Any necessary firmware updates are usually performed remotely by MasTrack.
Алдааг олж засварлах
If you encounter issues with your MasTrack MT-121, consider the following common troubleshooting steps:
| Асуудал | Боломжит шалтгаан | Шийдэл |
|---|---|---|
| No GPS Signal / Inaccurate Location | Device obstructed by metal; poor cellular coverage; device not powered. | Ensure device is not covered by metal. Verify strong 4G cellular signal in the area. Check power connections. |
| Device Not Reporting | Power disconnected; cellular network issue; subscription inactive. | Check all 3-wire connections. Confirm 4G cellular network availability. Verify active MasTrack subscription. |
| Alerts Not Received | Alert settings incorrect; incorrect contact information. | нэвтэрнэ үү web portal/app and review alert configurations. Ensure email and phone numbers for notifications are correct. |
| Device Making Noise / Has Lights | Some devices may have subtle indicators or sounds for driver behavior. | By default, devices are silent. If noise or bright lights are an issue, contact MasTrack support for options. Lights can often be covered without affecting service. |
If these steps do not resolve the issue, please contact MasTrack customer support for further assistance.
Үзүүлэлтүүд
| Онцлог | Дэлгэрэнгүй |
|---|---|
| Бүтээгдэхүүний хэмжээс | 2 x 1 x 1.8 инч (50.8 x 25.4 x 45.7 мм) |
| Зүйлийн жин | 2 унц (56.7 грамм) |
| Загварын дугаар | MT-131 (also referred to as MT-121) |
| Батерей | 1 Lithium Ion battery required (internal backup) |
| Холболтын технологи | Cellular (utilizes major cellular networks) |
| Үйл ажиллагааны ботьtage | 8V - 32V DC |
| Ашиглалтын температур | -22 ° F ~ 140 ° F (-30 ° C ~ 60 ° C) |
| Дижитал оролт | One positive trigger input for ignition detection |
| Дижитал гаралт | One digital output, open drain, 150 mA max drive current |
| Антенууд | Internal Cellular, Internal GNSS |
| LED үзүүлэлтүүд | CEL, GNSS |
Баталгаат хугацааны мэдээлэл
For specific warranty terms and conditions regarding your MasTrack MT-121 device, please refer to the documentation included with your purchase or visit the official MasTrack website. Warranty coverage typically addresses manufacturing defects and hardware malfunctions under normal use. Keep your proof of purchase for warranty claims.
Хэрэглэгчийн дэмжлэг
For any questions, technical assistance, or service inquiries, please contact MasTrack customer support. Their team is available to help with installation, account management, troubleshooting, and feature utilization.
- Онлайн дэмжлэг: Visit the official MasTrack webТүгээмэл асуултууд, туслах нийтлэлүүд, холбоо барих маягтуудын сайт.
- Утасны дэмжлэг: Refer to your product packaging or the MasTrack webшууд утасны тусламж авах сайт.
- Amazon дэлгүүр: Та мөн зочилж болно MasTrack Store on Amazon нэмэлт бүтээгдэхүүний мэдээлэл болон туслах эх сурвалжийг авах.





