Narrowband modem: Difference between revisions
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Source: from [[Federal Standard 1037C]] and from [[MIL-STD-188]] |
Source: from [[Federal Standard 1037C]] and from [[MIL-STD-188]] |
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==External links== |
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*[http://www.data-connect.com/Modems.htm Narrowband Modems Site] |
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{{Uncategorized|November 2006}} |
{{Uncategorized|November 2006}} |
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Revision as of 00:00, 25 November 2006
In telecommunication, a narrowband modem is a modem whose modulated output signal has an essential frequency spectrum that is limited to that which can be wholly contained within, and faithfully transmitted through, a voice channel with a nominal 4 kHz bandwidth.
Note: High frequency (HF) modems are limited to operation over a voice channel with a nominal 3 kHz bandwidth.
Source: from Federal Standard 1037C and from MIL-STD-188
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