What is Bluetooth? - Explained

What is Bluetooth? - Explained

Bluetooth Logo is a trademark of Bluetooth Special Interest Group

Bluetooth is a wireless technology which allows users to connect devices or transmit data from one device to another. Bluetooth is widely used technology throughout the evolution of generations and the technology.

There are many ways that where it's possible for humans to use the bluetooth in real life applications and practical implementations. From the IoT devices to the laptops to the mobile and smart phones and computers do use bluetooth for various tasks. 

Who Owns Bluetooth

Bluetooth is developed by the Bluetooth Special Interest Group or Bluetooth SIG. And Bluetooth Special Interest Group owns the patents and licensing authorization for the technology.

Bluetooth Special Interest Group allows the manufactures to build devices by embedding Bluetooth technology upon licensing.

Bluetooth Special Interest Group is founded in 1998 September and headquartered in Kirkland, Washington, USA. 


Bluetooth is a technology or an standard for exchanging data over short distance by using short wavelength Ultra High Frequency or UHF frequencies in ISM band which is free to use without licenses from 2.4 GHz to 2.485 GHz frequencies.

Bluetooth is designed mostly for PAN or personal area networks where it gives the best capability for the users to transmit a set of data for a limited distance without using wires by open air.


By using the Bluetooth technology, manufactures got the capability to build new devices which can support consumers to experience a better extension. There were new device lineup came into the live with the Bluetooth technology as wireless headphones and smart locks and many.

At the cheapest cost, consumers got the capability to transmit data within very short distance securely and faster.


VersionLaunched YearFeatures
Bluetooth 1.0N/AN/A
Bluetooth 1.1N/AN/A
Bluetooth 1.2N/ASpeed upto 721 kbit/s
Bluetooth 2.0 + EDR2004Speed upto 2.1 Mbit/s
Bluetooth 2.1 + EDR2007 July 26Device Pairing Launched
Bluetooth 3.0 + HS2009 April 2124 Mbit/s
Bluetooth 4.0 + LE2010 June 30Low Energy Usage
Bluetooth 4.12013 December 4Low Duty Cycle & ETC...
Bluetooth 4.22014 December 2Low Energy, Link Layer & ETC...
Bluetooth 52016 June 16SAM, LE Long Range & ETC...