“Is Bluetooth sent on radio carrier wave? Or is it a digital signal? I'm asking, because it doesn't seem to go through walls well (interior dry wall). One wall, it can sort of do OK, but more than one, not so much. Outside, with a cell phone, it's good.”

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• Here's an article which gives a good explanation of how bluetooth works, https://www.bluetooth.com/what-is-bluetooth-technology/how-it-works.

  Answered by Sojack 8 years ago

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• Bluetooth is a wireless protocol.

  Answered by CommunityAnswer 8 years ago

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