Certificate | US Cellular

TOPFLYtech proudly announces that our TLD2 Series 4G OBDII Tracker has been officially certified by US Cellular, ensuring top-tier performance and compatibility across North American networks.

Designed with cutting-edge GNSS and communication technology, the TLD2 series combines compact design, high functionality, and plug-and-play convenience — an ideal solution for fleet management, car rental, and usage-based insurance (UBI) applications.

With certifications already secured across North America, Australia, and Europe, the TLD2 continues to strengthen TOPFLYtech’s commitment to delivering globally reliable, carrier-approved telematics hardware.

Why Choose the TLD2 Series OBDII Tracker?

• 🚗 Real-Time & Buffered Location Updates
  Constant, accurate positioning even in areas with weak network coverage, ensuring you never lose sight of your fleet.
• ⚙️ CAN-BUS Data Reading (TLD2-D)
  Access rich vehicle diagnostics such as VIN, odometer, ignition status, fuel level and consumption, RPM, throttle position, air intake, and DTC codes — critical for fleet analytics and predictive maintenance.
• 🌀 6-Axis Accelerometer
  Detects driving behaviors with precision, including harsh acceleration, braking, cornering, and crash detection, enabling improved driver performance and safety.
• 🔊 Built-in Buzzer for Driver Alerts
  Provides instant feedback to drivers during unsafe maneuvers, promoting safer and more efficient driving habits.
• 🌍 Global 4G Bands Support
  Simplifies international operations by supporting multiple LTE bands — one device for all markets.
• 🧊 BLE 5.0 Compatibility
  Seamlessly connects with TOPFLYtech BLE sensors such as:
  • TSTH1-B – Temperature & Humidity Monitoring
  • TSDT1-B – Door & Temperature Status
  • TSR1-B – Wireless Relay for Remote Control

Why Certification Matters

Being certified by US Cellular is more than just a technical milestone — it’s proof that the TLD2 meets the highest performance, safety, and reliability standards demanded by major carriers. Each certification means your deployment is network-ready, compliant, and backed by verified quality.

Whether you manage a local fleet or global logistics network, the TLD2 series ensures seamless operation, reduced installation time, and full data visibility — all while maintaining a compact, plug-and-play design.