WAdaptive equalizer
WAsynchronous serial interface
WRonald Hugh Barker
WCANpie
WCommutation (telemetry)
WData circuit-terminating equipment
WDigitization
WDistributed antenna system
WDownstream (networking)
WExtinction ratio
WEye pattern
WGillham code
WParallel communication
WPhase-fired controller
WProtocol data unit
WRadioMail
WSneakernet
WTape relay
WUniversal asynchronous receiver-transmitter
WUpstream (networking)
WAsynchronous Transfer Mode
WWide area network
WXPIC