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Bluetooth Technology

Bluetooth is a short distance wireless technology defined as IEEE 802.15.1 to create Personal Area Networks. Right now Bluetooth is widely used in mobile phones to send and receive data. According to Bluetooth technology there is a master and slave devices. A master device can connect to maximum seven slaves at a time. Frequency of Bluetooth is similar to IEEE 802.11 g/b. It is in the range 2.4 to 2.485 GHz. Major advantages of Bluetooth over Wi-Fi is its low cost and low power. However, Wi-Fi has wider range and faster data transfer rate.


Major Uses of Bluetooth Technology
There are variety of applications run with the help of Bluetooth technology. Some of the uses are:
  1. Make easy connection between mobile phones to send and receive files

  2. Bluetooth technology enables wireless mouse and keyboard

  3. Create a Local connection between PCs

  4. Helps to create short range wireless network
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Different Versions of Bluetooth
  1. Bluetooth V1.1 and V1.2

  2. Bluetooth Version 2.0 +EDR

  3. Bluetooth V2.1 + EDR

  4. Bluetooth v3.0 + HS

  5. Bluetooth v4.0 and 4.1
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