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What is Modem Standards Overview about?

A modem modulates digital data into an analog signal for transmission and demodulates a received analog signal back into digital data. It connects to a communications link and allows for bidirectional communication. Common modem standards include V.32, which uses trellis coding to transmit at 14.4 kbps, V.32bis which uses 128-QAM to transmit at 14.4 kbps, V.34bis which can transmit from 28.8 kbps to 33.6 kbps using larger constellations, and V.90, also known as 56k modems, which can transmit at 56.6 kbps.

Author

Neeraj Kumar

Language

EN