oa Civil Engineering = Siviele Ingenieurswese - Communication technologies for civil engineers

Volume 13, Issue 11
  • ISSN : 1021-2000



Extracted from text ... 2 Siviele Ingenieurswese | November/Desember 2005 The need for people to communicate across distance has been in existence for many hundreds of years. ever since Alexander Graham Bell invented the telephone, the ease with which people could communicate has become easier. What was regarded at the time as 'unnecessary' quickly spread throughout the world, and the telephone has become tightly integrated into everyday life and business. The problem with the telephone is that rapid deployment of a system is hampered by the fact that cables have to be laid. This process is expensive. The advent of mobile telephones (cell phones) ..

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