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$1,245 – $1,255
The Automation Systems Can Control The "Hand Off" Of A Customer Handset Moving Between One Cell And Another So That A Call In Progress Continues Without Interruption, Changing Channels If Required.
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$450 – $455
In The Earliest Mobile Phone Systems By Contrast, All Control Was Done Manually; The Customer Would Search For An Unoccupied Channel And Speak To A Mobile Operator To Request Connection.
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$1,000 – $1,022
Additionally, Short-range Wi-fi Infrastructure Is Often Used By Smartphones As Much As Possible As It Offloads Traffic From Cell Networks On To Local Area Networks.
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