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  Uses and Applications of Bluetooth

Introduction to Uses and Applications of Bluetooth:

USES:

Bluetooth is a standard communications protocol mainly designed for low power consumption, along with a short range (see table below). Since the devices make use of a radio (broadcast) communications system.

MAXIMUM PERMITTED POWER RANGE:

Class             mW            dBm             (approximate)

Class 1         100              20                ~ 100 meters

Class 2          2.5              4                    10 meters

Class 3            1               0                     1 meters

In several cases the efficient range of class 2 devices is expanded if they connect to a class 1 transceiver. This is completed through the higher sensitivity and transmission power of Class 1 devices.

Version                        Data Rate

Version 1.2                  1 Mbit/s

Version 2.0 + EDR        3 Mbit/s

Version 3.0 + HS          24 Mbit/s

LIST OFAPPLICATIONS:

A typical Bluetooth mobile phone headset

A. Wireless control of and communication among a mobile phone and a hands-free headset.

This was one of the initial applications to become accepted.

B. Wireless networking among PCs in a confined space and in which little bandwidth is needed.

C. Wireless communication along with PC input and output devices, the commonest being the keyboard, mouse, and printer.

D. Transfer of files, calendar appointments, contact details, and reminders among devices with OBEX.

E. Substitution of traditional wired serial communications in GPS receivers, test equipment, bar code scanners, medical equipment, and traffic control devices.

F. Sending small advertisements from Bluetooth (allows advertising hoardings to other).

G. Wireless bridge among two industrial Ethernet (example PROFINET) networks.

H. Three 7th generation game consoles, Nintendo's Wii and play station of Sony PlayStation 3 and PSP Go, make use of Bluetooth for their respective wireless controllers.

I. Dial-up internet access on personal computers (PC) of PDAs by using a data-capable mobile phone as a wireless modem such as Novatel mifi.

J. Small range transmission of health sensor data from medical devices to mobile phone, set top box or dedicated tele health devices.

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