The modem should hand over between cells as coverage changes, but sessions may pause or reset. Crossing carrier boundaries requires a dual-SIM or roaming strategy; it is not the same as ordinary tower handover. In no-coverage areas, the router should keep local services operating, buffer data and reconnect automatically when a usable network returns.
Applications need retry logic and should not assume a fixed public IP. Track outages and signal history to understand route performance. For critical fleet operations, consider whether satellite or another communication path is required beyond terrestrial cellular coverage.
Public Q&A
What should a mobile deployment expect when it moves between towers, carriers or areas with no coverage?
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