BLUETOOTH

Why Bluetooth?

Danish and Norwegian king Harald Blåtandknown as a great communicator and unifier of swedish, norwegian and danish tribes. His name translated to english is “Harold Bluetooth”.

Why Bluetooth?

The symbol is also taken from his name, being a union of the scandinavian runes “h” and “b”

What is Bluetooth?

Bluetooth is a industrial specification for wireless personal area network, which allows voice and data transmissi0ns between different devices using a radiofrequency link in the 2.4Ghz ISM band.

It allows us to: make easy the connection between mobile and

desktop equipment

Eliminate cables

Offer tiny wireless networks to sync data

Bluetooth Classes and versions

Class Maximum power allowed (mW)

Maximum power allowed (dBm)

Approximated range

Class 1 100mW 20 dBm ~100 meters

Class 2 2.5mW 4 dBm ~25 meters

Class 3 1 mW 0 dBm ~1 meter

Version Broadband

Version 1.2 1 Mbit/s

Version 2.0 + EDR 3 Mbit/s

Version 3.0 (recently approved)

53 – 480 Mbit/s

Bluetooth devices

And now a few demostrations…