Cable modem

<communications, hardware> A type of modem that allows people to access the Internet via their cable television service.

A cable modem can transfer data at 500 kbps or higher, compared with 28.8 kbps for common telephone line modems, but the actual transfer rates may be lower depending on the number of other simultaneous users on the same cable.

Industry pundits often point out that the cable system still does not have the bandwidth or service level in many areas to make this feasible.

For example, it has to be capable of two-way communication.

See also: DOCSIS.

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cable modem
Data Over Cable Service Interface Specification
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