Base stations are located throughout the country
Each base station controls a cell
Cells overlap to ensure complete coverage
A mobile phone uses two frequencies/a control frequency and a voice frequency
The caller’s phone connects to the nearest base station/cell
As phone users move about, the signal is passed from one base station/cell to the next
A Mobile Telephone Switching Office (MTSO) controls all base stations within its geographical area and connects to the public telephone network/other networks
lydiajane74 answered the question on July 1, 2018 at 18:33
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