Wireless technology is the method used to communicate and transfer data without wires and cables. John will use Narrowband IoT to provide cellular services.
Narrowband Internet of things is a Low power WAN technology developed for cellular services, and devices are used to balance power consumption and spectrum efficiency in providing coverage.
Narrowband IoT gives increased coverage, has long battery life and is not expensive as other networking systems, and has low power wide region networking.
Therefore, John should use Narrowband IoT.
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