Long-distance cable laid along the sea bed. Coaxial in form, with submarine repeaters at intervals to amplify signals. In shallow water, with a danger from anchors or trawling, the cables may be armoured or even buried in the sea bed. In deep water, lightweight cables without armouring but with a central core of high- tensile steel are used to prevent stretch during laying. Some may contain optical fibre channels.
What is SUBMARINE CABLE?
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