1. ভূমিকা
The UBITracer ZT-28E is a state-of-the-art multi-sensor GPS device designed for comprehensive asset tracking and environmental monitoring. It combines precise location capabilities with medical-grade temperature sensing, making it an ideal solution for a wide range of applications, from logistics and cold chain management to personal asset security.
মূল বৈশিষ্ট্য অন্তর্ভুক্ত:
- Extraordinary Battery Life: Up to 5 years in low-frequency reporting mode.
- Award-Winning Technology: Recognized at the IoT World Forum & Mobile World Congress.
- বহুমুখী অ্যাপ্লিকেশন: Suitable for enterprises, contractors, cold chain, and personal use.
- গ্লোবাল সার্ভিস: Worldwide cellular data in 180+ countries.
- Enhanced Location Accuracy: Wi-Fi-assisted tracking for improved urban and indoor accuracy.
- Advanced Monitoring: Rugged, water-resistant, temper-proof design.

Figure 1.1: UBITracer ZT-28E device and mobile application interface.
৩.১. বাক্সে কী আছে
Upon opening your UBITracer ZT-28E package, please verify that all the following components are included:
- UBITracer ZT-28E Device
- ZT-28E Quick Starter Guide & Application User Manual
- চার্জিং কেবল
- ভেলক্রো টেপ
Figure 2.1: Package contents of the UBITracer ZT-28E.
3. সেটআপ
To begin using your UBITracer ZT-28E, follow these steps:
- ডিভাইস চার্জ করুন: Connect the provided charging cable to the device's charging port and a USB power source. Ensure the device is fully charged before first use.
- আপনার ডিভাইস নিবন্ধন করুন: Download the UBITracer mobile application from your device's app store. Follow the in-app instructions to register your ZT-28E device. This typically involves scanning a QR code or entering the serial number (SN) and activation code (CODE) found on the device. For detailed instructions, refer to the included Quick Starter Guide.
- Select a Service Plan: A subscription is required for the device to function. The UBITracer app will guide you through selecting a suitable service plan. Plans start from $9.99/month for annual billing.
- বসানো: Position the device in a location that allows for optimal GPS signal reception. For best results, avoid placing it in enclosed metal containers or areas with significant signal obstruction.
For a comprehensive installation guide, please refer to the official ইনস্টলেশন ম্যানুয়াল (পিডিএফ).
4. ডিভাইস অপারেটিং
The UBITracer ZT-28E operates by collecting and transmitting location and temperature data to the UBITracer platform, accessible via the mobile app or web পোর্টাল
৩. লোকেশন ট্র্যাকিং
The device utilizes GPS and Wi-Fi-assisted positioning for accurate location tracking. In urban and indoor settings, Wi-Fi assistance improves accuracy, typically resulting in a variance of less than 60 feet.
চিত্র 4.1: প্রাক্তনample of location tracking history in the UBITracer app.
4.2. তাপমাত্রা পর্যবেক্ষণ
The ZT-28E is equipped with a medical-grade temperature sensor, providing precise temperature data. You can set customizable alerts within the app to be notified if temperatures exceed or fall below predefined thresholds.
Figure 4.2: Temperature monitoring and alert settings.
4.3. Battery Life and Reporting Frequency
The device offers exceptional battery longevity, which varies based on the reporting frequency:
- Low-Frequency Mode (twice a day): Approximately 4-5 years.
- প্রতি 4 ঘন্টা: প্রায় ৩ বছর।
- Every hour: Approximately 4 months.
- Every 10 minutes: Approximately 4 weeks.
You can adjust the reporting frequency via the UBITracer mobile application to optimize battery life according to your tracking needs.
৫.৩. বহুমুখী অ্যাপ্লিকেশন
The UBITracer ZT-28E is designed for a multitude of uses:
- এন্টারপ্রাইজ: Equipment, trailer, container, reefer, pallet tracking.
- ঠিকাদার: Toolbox, truck monitoring.
- Cold Chain Management: Fridges, cooler boxes, medical samples, vaccines.
- ব্যক্তিগত ব্যবহার: Car, second home, pet, luggage, backpack, storage box, valuables.
Figure 4.3: Diverse applications of the UBITracer ZT-28E.
5. রক্ষণাবেক্ষণ
The UBITracer ZT-28E is built for durability and requires minimal maintenance. Follow these guidelines to ensure optimal performance:
- পরিষ্কার করা: একটি নরম সঙ্গে ডিভাইস মুছা, ঘamp কাপড় কঠোর রাসায়নিক বা ঘর্ষণকারী ক্লিনার ব্যবহার করা এড়িয়ে চলুন।
- জল প্রতিরোধের: The device is IP67 water-resistant, suitable for cold chain operations and exposure to splashes. However, it is not designed for prolonged submersion. Ensure the charging port cover is securely closed when not charging.
- তাপমাত্রা পরিসীমা: Operate the device within its specified temperature range (refer to Specifications section).
- চার্জিং: Recharge the device when the battery low alert is received. Use only the provided charging cable or a compatible USB charger.
- সঞ্চয়স্থান: If storing the device for an extended period, ensure it is partially charged (around 50%) and stored in a cool, dry place.
Figure 5.1: IP67 water and dust resistance for enhanced durability.
6. সমস্যা সমাধান
If you encounter issues with your UBITracer ZT-28E, refer to the following common problems and solutions:
| সমস্যা | সম্ভাব্য কারণ | সমাধান |
|---|---|---|
| Device not reporting location. | No cellular signal; device in an obstructed area (e.g., deep inside a metal container); battery depleted; subscription inactive. | Move the device to an area with better cellular reception. Ensure it is not completely enclosed by metal. Charge the device. Verify your subscription status in the UBITracer app. |
| Location accuracy is poor. | Weak GPS signal; device in a remote area; interference. | ডিভাইসটি পরিষ্কার আছে তা নিশ্চিত করুন view of the sky for optimal GPS. In remote areas, accuracy may naturally decrease. Wi-Fi positioning assists in urban/indoor settings. |
| App not showing most recent location immediately. | App display delay; data refresh rate. | Navigate to the reports or timeline section within the app to view the most recently recorded data points. The map view may not always update instantly. |
| ব্যাটারির আয়ু প্রত্যাশার চেয়ে কম। | High reporting frequency; frequent movement; extreme temperatures. | Adjust the reporting frequency to a less frequent interval in the app settings. Operating in extreme hot or cold conditions can affect battery performance. |
If you continue to experience issues, please contact UBITracer customer support for assistance.
7. স্পেসিফিকেশন
| বৈশিষ্ট্য | বিস্তারিত |
|---|---|
| মডেল নম্বর | ZT-28E |
| মাত্রা | 4.25 x 3.7 x 1.5 ইঞ্চি |
| আইটেম ওজন | 3.7 আউন্স |
| ব্যাটারি | 1 লিথিয়াম মেটাল ব্যাটারি (অন্তর্ভুক্ত) |
| সংযোগ | Wireless (Cellular Data) |
| বিশেষ বৈশিষ্ট্য | Alert Notification, Rechargeable, Geo-Fence, Location History, Real Time Tracking |
| রঙ | ধূসর |
| প্রস্তুতকারক | ZillionSource Technologies |
| মূল দেশ | চীন |
| সমর্থিত অ্যাপ্লিকেশন | এলার্ম |
| নির্দিষ্ট ব্যবহার | Cold Chain Monitoring, Industrial Asset Tracking |
8. ওয়্যারেন্টি এবং সমর্থন
For information regarding product warranty, please refer to the terms and conditions provided at the time of purchase or contact UBITracer customer support directly.
8.1. Subscription Plans
The UBITracer ZT-28E requires an active subscription for full functionality. Highly competitive subscription plans are available, starting from $9.99/month for annual billing. Details on various plans and pricing can be found within the UBITracer mobile application or on the official UBITracer webসাইট
Figure 8.1: UBITracer subscription plan overview.
8.2. গ্রাহক সহায়তা
For technical assistance, troubleshooting, or any inquiries regarding your UBITracer ZT-28E, please utilize the following resources:
- মোবাইল অ্যাপ্লিকেশন: The UBITracer mobile app provides access to device settings, data, and support options.
- UBITracer Web পোর্টাল: Business users can access the powerful UBITracer web portal for enterprise-grade device management, rule configuration, and data interchange.
- অফিসিয়াল ডকুমেন্টেশন: পড়ুন ইনস্টলেশন ম্যানুয়াল (পিডিএফ) for detailed setup and usage instructions.




