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In telecommunications, transmission is: the: process of sending/propagating an analog or digital signal via a medium that is wired, wireless, or fiber-optic.

Transmission system technologies typically refer to physical layer protocol duties such as modulation, demodulation, line coding, equalization, error control, bit synchronization and multiplexing, but it may also involve higher-layer protocol duties, "for example," digitizing an analog signal. And data compression.

Transmission of a digital message. Or of a digitized analog signal, is known as data transmission.

Examples of transmission are the——sending of signals with limited duration, for example, a block or packet of data, a phone call, or an email.

See also※

• Radio transmitter

References※

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