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Network and modem cables plugged into a computer modem.
Jill Ferry Photography / Moment / Getty Images
Definition: Traditional modems used on dialup networks convert data between the analog form used on telephone lines and the digital form used on computers. Standard dial-up network modems transmit data at a maximum rate of 56,000 bits per second (56 Kbps). However, inherent limitations of the public telephone network limit modem data rates to 33.6 Kbps or lower in practice.

Broadband modems that are part of high-speed Internet services use more advanced signaling techniques to achieve dramatically higher network speeds than traditional modems. Broadband modems are sometimes called "digital modems" and those used for traditional dial-up networking, "analog modems." Cellular modems are a type of digital modem that establishes Internet connectivity between a mobile device and a cell phone network.

Also Known As: MODulator dEModulator

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