Telecommunications: Hong Kong And The SAR

TELECOMMUNICATIONS: HONG KONG AND THE SAR

(Published in J.Cheng and S.H.Lo From Colony to SAR: Hong Kong’s Challenge Ahead, Chinese University Press, 1995)

In the world of modern digital telecommunications, high speeds of exchange switching and transmission along bundles of hair-thick optical fibres, and the compression of microwave signals from base-stations and satellites, have replaced thick cables and wide spectrums of high-frequency radio-waves. This is important because it drives up the volumes of traffic the network can carry, and drives down the unit costs, and sometimes the absolute costs, of carrying it.

 

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