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Abbreviations & Acronyms » S+DX
What does S+DX stand for?
S+DX
Speech and Duplex (SAUS)
Speech + Duplex (SAUS)
S + DX
Speech with Duplex Telegraph
S+DX
Speech and Duplex (SAUS)
Speech + Duplex (SAUS)
S + DX
Speech with Duplex Telegraph