High-Precision Asset Tracking Device

Overview

This asset tracker provides real-time location monitoring for mobile assets and integrates with existing security management and configuration applications, including panic-button GPS reporting.

Highlights

• Automatic 12VDC-to-battery power failover
• Ethernet-to-LTE Cat-4 network failover
• Multi-GNSS support
• OTA and telemetry integration

Challenges

• Switch seamlessly from 12VDC to a 1000mAh backup battery.
• Switch automatically from Ethernet to LTE Cat-4 when wired network is unavailable.
• Integrate with an existing security app for emergency GPS reporting.
• Maintain accurate GNSS data in urban and offshore environments.
• Support high message throughput on the backend.

Solutions

• Designed custom PCB with power-path management and automatic power switching.
• Integrated LTE Cat-4 module with 4G/3G/2G support and Multi-GNSS module covering GPS, GLONASS, Galileo, BDS, and QZSS.
• Built firmware on ESP-IDF with Ethernet priority and LTE activation after 15 seconds without Ethernet.
• Delivered customer API integration, OTA support, telemetry endpoints, and deployment on AWS.

Features

• Real-time tracking
• Emergency GPS reporting
• Network and power resilience
• Configuration app compatibility
• Telemetry and API endpoints

Key Results

• Automatic fallback keeps operation running through network and power failures.
• Backend designed for high-throughput message processing.
• System integrated into an enterprise security ecosystem.