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Does wireless communications like wifi, where different clients get different data, use different frequencies for each client? Or do they use the same frequency, but with time-divison multiplexing and encryption, so that no client can understand what was meant for another client?

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closed as off-topic by Phil Frost - W8II, Kevin Reid AG6YO, WPrecht, PearsonArtPhoto Jun 15 '15 at 12:14

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This question is not about amateur radio or the technology of radio, within the scope defined in the help center." – Phil Frost - W8II, Kevin Reid AG6YO, WPrecht, PearsonArtPhoto
If this question can be reworded to fit the rules in the help center, please edit the question.

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Wifi is packet-based TDMA/CSMA with all users for a given access point using the same frequency.

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