PC modems

3Com 3CP4130

MOdulate/DEModulate A device that modulates digital data from a computer to an analog format that can be sent over telephone lines, then demodulates it back into digital form.

A modem may also refer to a device used for high speed broadband via cable or a dsl connection.

Modems can be a card inserted into a slot on a motherboard, or connected externally through a RJ-11 port or a USB port.

There are also modems that have fax and voice capabilites.

• 2007-05-22   Modem    
  • A modem (from modulate and demodulate) is a device that modulates an analog carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information.

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