Narrow-bandwidth television

（重定向自NBTV）

Narrow-bandwidth television (NBTV) is a type of television designed to fit into a low-bandwidth channel, in the extreme case using amateur radio voice frequency channels that only range up to a few kilohertz (though channels ranging into a few tens of kilohertz and beyond can also be used). This is in contrast to broadcast TV systems that use a channel about six to eight megahertz wide.

单词	NBTV
释义	NBTV 英语百科 Narrow-bandwidth television （重定向自NBTV） Narrow-bandwidth television (NBTV) is a type of television designed to fit into a low-bandwidth channel, in the extreme case using amateur radio voice frequency channels that only range up to a few kilohertz (though channels ranging into a few tens of kilohertz and beyond can also be used). This is in contrast to broadcast TV systems that use a channel about six to eight megahertz wide.
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