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I am looking for ways to extend the Bluetooth data transmission distance.

Android seems to support only TX power about BLE, not classic BT.

  • To upgrade the built-in antenna by disassembling the smartphone.
  • Using Linux layer(Bluetooth driver, etc) manipulations/commands.

Both seem quite difficult, please advise on this or suggest another way. It doesn't have to be a programmatic way to do it.

Thanks.

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    Use hardware that supports Bluetooth Coded Phy (aka: BLE Long Range). stackoverflow.com/q/57681479/7721752 Commented Jan 10, 2022 at 7:04
  • Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Commented Jan 18, 2022 at 1:42
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