What is Bluetooth 2.0 + EDR? - Explained

What is Bluetooth 2.0 + EDR? - Explained

Bluetooth version 2.0 is the bluetooth version release which got released after version 1.2.

Bluetooth version 2.0's specification was released by 2004 and this was a core Bluetooth specification change.


Bluetooth version 2.0 got embedded with EDR which is an acronym for enhanced data rates. Which means the bluetooth 2.0 got embedded with faster data transfer speed compared to earlier Bluetooth versions. 

Bluetooth 2.0 with EDR was theorically capable of transferring 3Mbit/s and a practical speed of 2.1Mbit/s.

In the bluetooth version 2.0, Bluetooth used a modulation technique of combining two frequencies known as GFSK and PSK.

The combined modulation technique enabled the bluetooth version 2.0 to work energy efficiency and perform faster duty cycles in the transferring data by using the wirelessly using Bluetooth 2.0.