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Last modified: Thursday, July 14, 2005 

A type of data transmission in which a single medium (wire) can carry several channels at once. Cable TV, for example, uses broadband transmission. In contrast, baseband transmission allows only one signal at a time.

Most communications between computers, including the majority of local-area networks, use baseband communications. An exception is B-ISDN networks, which employ broadband transmission.

Also see Cable vs. DSL in Webopedia's "Did You Know...?" section.

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For pages about broadband . Also check out the following links!

Related Links

Broadband Guide 
A comprehensive buyer's guide for the broadband telecommunications marketplace. Includes articles, company listings, product information, newsletters, white papers, and other related resources.

Broadband telephony buyer's guide 
Provides an extensive online broadband telephony buyer's guide directed towards professionals who purchase equipment, applications, technologies and products. Also contains a company index, product reviews, newsletters and white papers, and a section where users can pose questions directly to industry experts.

Article on wireless broadband options
This April 1996 article describes current wireless broadband options and technology alternatives.

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related categories




related terms


broadband ISDN (B-ISDN)



local-area network


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