JT301 a portable container GPS tracker with a door detection sensor is a device designed to monitor and track shipping containers or other similar large storage units. It combines LBS positioning technology with a door sensor to provide real-time location information and detect door openings and closures.

GPS asset trackers can provide real-time location data and container door status, it can be used to optimize routes, monitor and prevent theft, improve supply chain management, and enhance overall asset visibility, improves security, and helps businesses maintain better control over their assets during transportation or storage.

It can monitor container, van, bulk express logistics and cold chain transportation.
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