1. BLUETOOTH TECHNOLOGY Submitted by: Kusham Lata Bindu Grover Submitted To: NIIT(Sirsa)

2. CONTENTS IntroductionDescriptionBluetooth BasicBluetooth SoftwareBluetooth OperationBluetooth KeyboardAdvantagesDisadvantages

3. INTRODUCTION  Bluetooth-Originally started by Ericsson company.  It is named for Herald Blaatand.  Bluetooth-Wireless and Automatic technology simplifying art of communication.  Frequency used is 2.45 GHz

4.  Bluetooth-Wireless technology providing link between mobile and electronic devices.  It operates on 2.45 GHz radio signals  Technology of Bluetooth concentrates on short range of communication. DESCRIPTION

5. APPLICATIONS  Laptops  PDA’s  Headphones  Wireless printer adapter  Onboard Bluetooth adapter.

6. BLUETOOTH BASICS  Bluetooth is low powered and low cost.  All the devices follow a uniform structure  Strength lies in handling data and video transmission simultaneously.  Specification- Bluetooth specification gives developers data link and application layer definitions

7.  Spectrum-Bluetooth operates between 2.4 and 2.485 GHz using a frequency hopping spread spectrum.  Devices Connect through network called Pico nets.  Interference- is reduced using Adaptive Frequency Hopping allowing a better efficiency and greater performance. BLUETOOTH BASICS

8. BLUETOOTH SOFTWARE  Blue soleil can be installed on personal computer or on personal digital assistant also  On a PC, it provides a lot of Extra wireless features.  It also has a graphical user interface (GUI).  On a PDA, provides basic Bluetooth profiles such as headset and hands free profile, personal networking (PAN) profile

9. BLUETOOTH SOFTWARE  Bluetooth software can be installed and used on Bluetooth capable devices.  There exists different software for different devices like PDA, personal computer.  Enables the device to use technology at its fullest.  Best example is Blue soleil.

10. HOW BLUETOOTH WORKS?  They normally operate at 2.45GHZ in license free globally available ISM radio band.  Advantage-worldwide availability and compatibility.  Disadvantage- devices must share the band with other RF emitters including automobile security systems, noise sources such as Microwaves  Solution- Frequency Hopping Spread Spectrum.

11. TECHNICAL OPERATIONS  High speed, low powered wireless technology.  Circuits are Contained on a 0.9 cm square.  This offers 1MB link with security.  Each device offers unique 48 bit address from IEEE 802.15 standard.

12. BLUETOOTH KEYBOARD  Bluetooth keyboard is one of major applications of Bluetooth technology.  It was first developed by Microsoft in 2002.  Today most of companies offer this type of keyboard, some of which companies include Dell, Apple..  A Bluetooth keyboard and mouse combination will allow the user to work at distances of up to 30 feet.  There are mainly two types in this-wireless keyboard and virtual keyboard.

13. VIRTUAL KEYBOARD  Virtual keyboard is projected on a flat, non reflective surface and keystrokes are accompanied by key clicking sounds that are simulated.  The keyboard has 63 keys and it measures only 295*95 mm with a height of 3.5 inches.  Keyboard works by producing a red diode laser light when keyboard is projected on surface.

14. ADVANTAGES  Wireless  Inexpensive  Automatic  Interoperability  Low interference and energy consumption.  Share voice and data  Instant PAN  Upgradeable  Long lasting technology.

15. DISADVANTAGES  Data rate and security.  More susceptible to Interception and attack.  Less range.

16. THANK YOU