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modulator/demodulator
abbr., IT mod/demod
modulator-demodulator [ˌmɒdjuleɪtə'diːˌmɒdjuleɪtə, ˌmɑːdʒəleɪt̬ər'diːˌmɑːdʒəleɪt̬ər]
abbr., opt. modem
modulator/demodulator
IT Connects a terminal or computer to a communications network via a telephone line. Modems turn digital pulses from the computer into frequencies within the audio range of the telephone system. When acting in the receiver capacity, a modem decodes incoming frequencies.
Modulator-Demodulator [ˌmɒdjuleɪtə'diːˌmɒdjuleɪtə, ˌmɑːdʒəleɪt̬ər'diːˌmɑːdʒəleɪt̬ər]
abbr., astronaut., mil. Modem (NOTE: Modem is sometimes used as a verb, e.g., "to modem a message")
MOdulator-DEModulator [ˌmɒdjuleɪtə'diːˌmɒdjuleɪtə, ˌmɑːdʒəleɪt̬ər'diːˌmɑːdʒəleɪt̬ər]
IT modem