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Bluetooth module classification, specific attribute characteristics, the difference between Bluetooth 5.0 and 4.2, Bluetooth role
![Bluetooth module classification, specific attribute characteristics, the difference between Bluetooth 5.0 and 4.2, Bluetooth role Bluetooth module classification, specific attribute characteristics, the difference between Bluetooth 5.0 and 4.2, Bluetooth role](https://www.ebyte.com/Uploadfiles/Picture/2019-8-26/20198261633156695.png)
Bluetooth module classification, specific attribute characteristics, the difference between Bluetooth 5.0 and 4.2, Bluetooth role
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