Bluetooth is a wireless protocol for short-distance data exchange, operating in a personal area network (PAN) environment. It includes various device classes based on range: Class 1 (100m), Class 2 (10m), and Class 3 (1m), along with numerous profiles for specific functions such as audio streaming, image transfer, printing, and internet access. Key profiles include the Hands-Free Profile (HFP) for car kits and the Phone Book Access Profile (PBAP) for sharing contacts between devices.

1. Bluetooth Bluetooth is a wireless protocol for exchanging data over short distances

2. PAN(Personal Area Network ) The network creating the Bluetooth technology is known as PAN Bluetooth Radio The Bluetooth Radio is always known as Bluetooth Dongle.

3. Blue Zone Blue Zone is the specific zone where the people sending receiving objects with their Bluetooth enabled devices.

4. Classes of Device Class 1 devices : It is designed for Long range devices. The range is 100 meter. Class 2 devices : It is designed for Ordinary range devices. The range is 10 meter. Class 3 devices : It is designed for Short range devices. The range 1 meter.

5. Bluetooth Profile Bluetooth profile is the specification for Bluetooth based communication.

6. Advanced Audio Distribution Profile (A2DP) This profile defines how audio can be streamed from one device to another over a Bluetooth connection

7. Basic Imaging Profile (BIP) This profile is designed for sending images between devices and resize and convert images to make them suitable for the receiving device.

8. Basic Printing Profile (BPP) This allows devices to send text, e-mails, vCards to printers based on print jobs.

9. Dial-up Networking Profile (DUN) This profile designed to access the internet and other dial-up services over Bluetooth.

10. File Transfer Profile (FTP) Provides the capability to browse, manipulate and transfer objects of files and folders in a file system of another system.

11. Generic Access Profile (GAP) This profile defines the procedures to discovery of Bluetooth devices and the procedure of connecting to Bluetooth devices .

12. Hands-Free Profile (HFP) This is commonly used to allow car hands-free kits to communicate with mobile phones in the car. Most Bluetooth headsets implement both Hands-Free Profile and Headset Profile.

13. Human Interface Device Profile (HID) Provides support for devices such as mice, joystics and keyboards.

14. Headset Profile (HSP) This is the most commonly used profile, providing support for the Bluetooth Headsets to be used with mobile phones.

15. Intercom Profile (ICP) This is also referred to as the walkie-talkie profile. It allow voice calls between two Bluetooth capable handsets over Bluetooth.

16. LAN Access Profile (LAP) LAN Access profile allows a Bluetooth device to access LAN,WAN or Internet via another device that has a physical connection to the network.

17. Object Push Profile (OPP) A basic profile for sending "objects" such as pictures, virtual business cards or appointment details. We have the full implementation of OPP.

18. Phone Book Access Profile (PBAP, PBA) Phone Book Access Profile (PBAP) is a profile that allows exchange of Phone Book Objects between devices. It is likely to be used between a car kit and a mobile phone. allow the car kit to display the name of the incoming caller. allow the car kit to download the phone book so the user can initiate a call from the car display.

19. SIM Access Profile (SAP, SIM) This allows devices to connect to a SIM Card in a phone with Bluetooth

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