LCD-77-105 Secure Voice Telephone Systems: How the Department of Defense Can Save Millions (Unclassified Digest of a Classified Report)
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چکیده
In general, narrowband systems require more complex terminals which require more space and power and are more costly than wideband terminals. Conversely, in general, wideband systems require more costly transmission facilities. Most Defense tactical users require wideband facilities at the present time due to weight, size, and power constraints. Nontactical users generally are located in an ofklce environment which is more suitable to the overall lower-cost narrowband system. (See pp. 2, 3, 7, and 21.)
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