The Bluetooth standard is a wireless transmission technology used for communication between different devices. The technology allows you to transmit multimedia content, voice and other data wirelessly across comparatively short distances. Bluetooth Revision 5.3 became available in summer 2021.

More Information about Bluetooth

Bluetooth named after a Viking

The technology was developed to avoid the need for additional cables with which you can establish the connection between two devices. In fact, the origin of the name goes back to the Viking king Harald Blauzahn. Blauzahn, or Bluetooth, united Norway with Denmark in the 10th century. In reference to this connection, the name therefore represents a symbol for networking.Β Β 

Besides the wireless connection, the advantages of the technology are its wide availability and low energy usage due to its low power consumption. Disadvantages are the limited range and – compared to other technologies – the lower transmission speed. On top of that, connections via Bluetooth are quite error prone. Especially in urban areas, transmission problems can occur.

Today, there are numerous revisions on the market. We have listed the differences in a chart to give you a better overview. The maximum possible range applies to open areas and can be significantly lower in buildings.

RevisionReleaseMax. data rateMax. rangeEnergy efficiency
Bluetooth 1.019991 Mbps10 MetersStandard
Bluetooth 2.0 + EDR*20043 Mbps10 MetersImproved
Bluetooth 3.0 + HS**200924 Mbps10 MetersHigh
Bluetooth 4.0201025 Mbps60 MetersVery high
Bluetooth 4.1201325 Mbps100 MetersVery high
Bluetooth 4.2201425 Mbps100 MetersVery high
Bluetooth 5.0201650 Mbps240 MetersVery high
Bluetooth 5.1201950 Mbps240 MetersVery high
Bluetooth 5.2202050 Mbps240 MetersVery high
Bluetooth 5.3202150 Mbps240 MetersVery high

* Enhanced Date Rate for three times faster transmission speed

** High-speed mode for transferring multimedia files

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