My Arduino ESP32 D1 R32 only has a Bluetooth range of about 2-3m and the signal can't pass through any obstacles. Will fitting a wifi antenna to it like this extend my Bluetooth range and create a more powerful signal or will it just cause interference from the signal bouncing off walls? I would like a range of about 5m.

  • It might work, but it looks a bit dubious to me. RF is quite tricky to get right. I'd rather get an ESP32 board that already has an (uFL) antenna connector. – Gerben Dec 12 '20 at 14:20
  • Not sure what country you come from but changing a transmitter without the proper licence can get you into trouble. Using a designed replacement part as suggested is a great way to go. – Gil Dec 13 '20 at 20:15

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