
A truck leaves an urban distribution center with a strong LTE connection. Two hours later, it enters a rural route with weak cellular coverage. Then something happens. The driver brakes hard. A vehicle cuts across the lane. The fleet manager wants to review the video—but the truck is temporarily offline. Is the footage gone? For fleets evaluating a 4G dash cam, this is an important deployment question. Cellular connectivity enables live video, remote alerts, GPS reporting, and cloud access, but commercial vehicles do not operate in perfect network conditions all day. The camera therefore needs two capabilities: record locally when
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