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Communications Modem

5895219067765 219067765 DS513

An item which modulates and demodulates one or more electrical signals. It connects data terminal equipment to a communication line or network such as telephone, radio or telegraph. It may include the multiplexing and demultiplexing circuits, circuit amplifiers and source(s) of carrier frequency. For items designed for light signals, see MODEM, FIBER OPTIC. View more Communications Modem