ITU-T Data Modem Standards

ITU V.21

The algorithm implemented is the ITU-T V.21 modem recommendation transmitting data at rates of up to 300 bps. It is a Full-Duplex, Frequency Shift Keyed (FSK) modem, operating at 300 symbols per second, at mean frequencies of 1,080±100 Hz and 1,750±100 Hz. Binary 0 is represented by the higher frequency.

This product has been developed and shipped by SIGNALS+SOFTWARE on a number of platforms previously, both standalone and as part of a complete solution, and would be available customized to meet specific requirements.

For more information please contact our sales team.

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