题目内容
The technique of spread-spectrum frequency hopping can make it impossible for more than one device to be transmitting on the same frequency at the same time, so the devices connected by Bluetooth can’t interfere with one another.
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A personal area network—PAN or piconet—is a computer network organized around an individual person.
There can’t be more than one piconet operating in the same room, because they will disrupt one another.
The typical modern living room mentioned in the first paragraph of Section 4 may establish two piconets, one is entertainment piconet, the other is telephone communication piconet.
Once the two piconets are established, they are both completely separated from each other.
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