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A cable modem is a device that allows high-speed access to the Internet via a cable TV network. A cable modem will typically have two connections, one to the cable wall outlet and one to a computer.
Cable modems allow consumers access to the Internet at higher speeds and at a fraction of the time it takes traditional telephone modems. This is true for two reasons: 1) broadband networks make the connection up to a hundred times faster, and 2) the service is "always on," meaning customers get the information they want, when they want it. Unlike telephone modems, cable modems allow consumers to keep their telephone lines open for voice conversations.
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