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V.21

An ITU standard (1964) for asynchronous 0-300 bps full-duplex analog modems for use on dial-up lines. It uses FSK modulation.



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Before/After Your Search Term
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V dotV.22
V/FXV.22bis
v-mailV.23
V-NANDV.24
V-RAMV.25
v-regV.25bis
V SeriesV.26
V.110V.26bis
V.120V.26ter
V.17V.27

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