IT glossary of terms, acronyms and abbreviations. Faulkner Information Services . 2015.
voicegrade channel — A channel with bandwidth equivalent to a telephone channel obtained through the public telephone network … IT glossary of terms, acronyms and abbreviations
channel, grade — The relative bandwidth of a channel: narrowband, voicegrade, or wideband … IT glossary of terms, acronyms and abbreviations
voicegrade device — A communications channel that is usually 4000Hz, and can pass voice sounds in the band 300Hz to 3000Hz … IT glossary of terms, acronyms and abbreviations
narrowband channel — Sub voicegrade channel with a speed range of 100 to 200 bps … IT glossary of terms, acronyms and abbreviations
wideband channel — Communications channel with more capacity (usually more that 19.2K bps) than the standard capacity of a dial up or leased voicegrade line … IT glossary of terms, acronyms and abbreviations
voice band — See voicegrade channel … IT glossary of terms, acronyms and abbreviations
