V21: Difference between revisions

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'''V21''' or '''V.21''' may refer to :
'''V21''' or '''V.21''' may refer to :


* [[ITU V.21]], an ITU-T recommendation for full-duplex communication between two analogue dial-up modems
* [[ITU V.21]], an [[List of ITU-T V-Series Recommendations|ITU-T modem recommendation]] for full-duplex communication between two analogue dial-up modems
* [[Fokker V.21]], a German Fokker D.VII prototype with tapered wings
* [[Fokker V.21]], a German Fokker D.VII prototype with tapered wings



Revision as of 22:16, 17 February 2014

V21 or V.21 may refer to :