Recently, the Bluetooth SIG organization announced that Bluetooth 5.1 has been delivered to developers. The most worthwhile thing in the new changes is the "direction finding" feature.
The Bluetooth organization hopes to replace the Wi-Fi's auxiliary positioning role with the 5.1 standard, which will help scenes that require location services such as GPS, including determining distances and even precise locations.
The Bluetooth SIG said that the positioning accuracy of 5.1 can reach centimeter level (currently 1 to 10 meters), and it will play an important role in indoor navigation and quick search for the bracelet/remote control board.
Other features include an optimized GATT (Common Attribute Profile) to improve pairing and communication speed; a random channel index that helps avoid packet collisions ensures Bluetooth ad arrival rates, and more.
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