GPS trackers or gateways embedded in vehicles, 容器, or pallets transmit real-time location data to centralized IoT platforms, allowing companies to closely monitor routes and accurately predict delivery times. In cold chain logistics, IoT devices integrate GNSS tracking with environmental monitoring—such as temperature and humidity—to ensure perishable goods remain intact throughout transit.
Smart GNSS-enabled personnel badges enhance lone worker safety in high-risk industries by providing real-time location tracking. Supervisors can monitor worker movements in hazardous zones, ensure compliance with safe areas, and prevent access to restricted sites. A built-in SOS alarm button allows lone workers to request help during emergencies. These badges also automate attendance, boosting both safety and efficiency in environments like construction, 礦業, and oil and gas.
Smart location badges with GPS and BLE offer real-time tracking of students and staff indoors and outdoors. Integrated RFID access control blocks unauthorized entry, while a one-click SOS button sends instant emergency alerts with the user’s exact location to security teams.
GPS trackers offer low-power, long-range container tracking using LoRaWAN and global positioning. They deliver real-time location, shock data, and geofencing alerts, ensuring secure, continuous monitoring across remote routes. With multi-year battery life and encrypted data, they help prevent cargo spoilage and theft while enhancing supply chain visibility.
GPS is the U.S. satellite navigation system, while GNSS refers to all global systems, including GPS, 格洛納斯, 伽利略, and BeiDou.
There are currently four major Global Navigation Satellite Systems (全球導航衛星系統): 全球定位系統 (美國), 格洛納斯 (俄羅斯), 伽利略 (歐盟), and BeiDou (中國). 另外, there are regional systems like QZSS (日本) and IRNSS (印度), which offer coverage in specific areas.
不, GNSS works independently of the Internet by using satellite signals.
GNSS typically has meter-level accuracy, but it can reach centimeter-level with advanced methods like RTK.
It’s used for navigation, 定位, mapping, surveying, and time synchronization across various industries.
GNSS receivers operate in three start modes based on available data. A Cold Start requires searching for all satellite signals from scratch, taking the longest time to fix a position. A Warm Start retains time and location data but needs to update satellite info, making it faster than cold. A Hot Start is the quickest, with all data intact, allowing near-instant position acquisition.
GNSS positioning accuracy is affected by factors such as satellite geometry, signal obstructions, atmospheric conditions, and multipath interference.
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