VICTOR HABBICK VISIONS / SCIENCE PHOTO LIBRARY VICTOR HABBICK VISIONS / SCIENCE PHOTO LIBRARY
Global communication. Conceptual computer illustration of global communication, depicting mobile or cellular telephones around the Earth. The yellow lines may represent telephone signals. Mobile phone calls are relayed to base stations in the user's local area or cell. From the base station, calls are passed to the conventional telephone exchange or satellites.
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