What is Bluetooth and how does it work?
Bluetooth is a wireless LAN technology,Which can be used for various tasks like telephone,Notebook, computer (desktop and laptop),Connecting to devices like cameras, printers, coffee making etc. Bluetooth LAN is an Ad-Hawk network, which means that the network is formed instantly;
Devices that are sometimes called gadgets connect each other and create a network called pinconet. A Bluetooth LAN can also be connected to the Internet. A Bluetooth LAN can not be larger than nature. If there are many gadgets that try to connect, Bluetooth technology has many applications, such as a wireless mouse or keyboard, can communicate with the computer through this technique.
Monitoring devices can communicate with sensor devices in a small health care center. Home Security Devices can use this technique to connect the main security control controller to different sensors. You can synchronize your laptop computer at a conference participating in the conference.
A Bluetooth device is built from a mini-range radio transmitter. Current data rate of 2.4 with GHz bandwidth 1Mbps is
This Bluetooth is a type of Wireless technology that is used for any file or data transfer. This Bluetooth technology was developed by the development special interest group and its physical range is from 10m to 50m only. These Bluetooth devices can only connect to more than seven devices and their main applications are in industries like smartphones, personal computers, and gaming consoles. IEEE has standardized Bluetooth as IEEE 802.15.1, but these standards are maintained only for a few periods.
🔲Different versions of Bluetooth ?
Here we will learn about the different versions of Bluetooth technology, we will also learn about the difference between them. Well if the talk about Bluetooth versions works then v1.2, v2.0, v2.1, v3.0, v4.0, v4.1 and v5.0 are the main ones.
Bluetooth technology primarily provides short-range wireless capabilities to do data transfer between two devices. In the last few years, many versions of Bluetooth have come in the market and Bluetooth has evolved to a great extent, in which many versions such as v1.2, v2.0, v2.1, v3.0, v4.0, v4. 1 and v5.0 are included. Bluetooth operates in 2.4 GHz ISM frequency band. These technologies are based on the IEEE 802.15.1 standard. Both PHY and MAC layers of Bluetooth have been defined in the Wireless Personal Area Network (WPAN) standard.
Bluetooth v1.2
Speed or data rate: 720 kbps
Backward compatibility: v1.1
Bluetooth v2.0
Speed: 2.1 Mbps
Backward compatibility: Bluetooth v1.2
Bluetooth v2.1
Speed: 2 Mbit/s
Backward compatibility: Bluetooth v1.2
Bluetooth version v3.0
Speed: 24 Mbps
Backward compatibility: Bluetooth v2.1
Bluetooth v4.0
Speed:24 Mbps
Backward compatibility: Bluetooth v3.0
Bluetooth v4.1
It has been specially designed to work in LTE cellular technology.
This is backwards compatible with all the previous versions.
Bluetooth v5.0
It has been made much better than the previous version. It's built primarily for Bluetooth Headphones, Mouse, and other music accessories. The special feature in it is that you can hear the song in two headphones at the same time when they are connected to the same smartphone. It provides better speed, distance and throughput. Apart from this, it does not use much battery. This is backwards compatible with all the previous versions.
Advantages of Bluetooth
➡️ By using it you can connect without any wires immediately via adhoc connection. Being a connection establishment here is very easy and quick. The user only has to pair devices.
➡️It is used for voice and data transfer.
➡️It has low power consumption.
➡️Because FHSS is used in this technology, data communication is very secure here.
➡️The data transfer can also be from the middle of the walls.
➡️Its range is better than infrared communication.
➡️This technology is used in many products such as head set, car system, printer, web cam, GPS system, keyboard and mouse.
Disadvantages of Bluetooth
➡️Its biggest disadvantage is its security. Yes, because as we know that it operates on the radio frequency and therefore it can penetrate the walls easily. Therefore, you are advised that you do not use it for critical business or personal data transfer.
➡️Since HomeRF technology also operates on the same frequency, there are times also interference with each other.
➡️Its bandwidth is fairly low, compared to WiFi.
➡️Battery usage is higher when it comes to bluetooth ON. Therefore it is recommended that turn off bluetooth if not used, which also increases the mobile battery life.
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