Overview• The Basics• Core Specification

Version• Spectrum• International Radio

Frequency Allocation• Range• Power• Benefits• Protocol Stack

• Bluetooth Architecture• Bluetooth Profiles• Security• Pairing Bluetooth

Devices• Comparing With Other

Technologies• References• Questions or

Comments?

The Basics

• Short-range communication technology

• Key features

• Global acceptance

• Fundamental strength

Core Specification Versions

• Version 1.2

• Version 2.0 +

Spectrum

• Industrial, scientific and medical (ISM) band

• Adaptive frequency hopping (AFH)

International Radio Frequency Allocation

Range

• Class 1 radios

• Class 2 radios

• Class 3 radios

Power

• Class 2 – 2.5 mW of power

• Low power consumption

Benefits

• Why choose this technology?

• Globally available

• Range of devices

• Ease of use

• Secure connections

Protocol Stack

SDP

OBEX

RFCOMM

Applications and Profiles

L2CAP

HCI

Link Manager

Baseband/Link Controller

Radio

Bluetooth Architecture• Piconet• Scatternet

S1

S2

S3

S4 S5

S6

S7

M1 M2

Scatternet

Piconet A Piconet B

Bluetooth Profiles• What is a profile?

Generic Access Profile

Serial Port Profile

Telephony Control Protocol Specification

Service Discovery Application Profile

Cordless Telephony Profile

Intercom Profile

Headset Profile

LAN Access Profile

FAX Profile

Generic Object Exchange Profile

Dial Up Networking Profile

Object Push Profile

Synchronization

File Transfer Profile

Bluetooth Profiles

• The serial port profile group

Bluetooth Profiles

• The generic object exchange profile group

Bluetooth Profiles

• Telephony control protocol specification profile group

Security

• Bluejacking

• Bluesnarfing

• Passkeys / Bonding

• Security Modes– Security Mode 1– Security Mode 2– Security Mode 3

Security levels

• Trusted device

• Untrusted device

Services security

Three levels:

• Authorization and authentication

• Authentication only

• Open

Pairing Bluetooth Devices

Pairing Bluetooth Devices

Compare with Other Technologies• Wi-Fi (IEEE 802.11)

• Certified Wireless USB

• Infrared (IrDA)

References• www.bluetooth.com• http://electronics.howstuffworks.com• http://www.tutorial-reports.com/wireless/bluet

ooth/architecture.php• http://www.thebunker.net/security/bluetooth.h

tm• http://www.phptr.com/articles/article.asp?p=2

1336&rl=1

Questions or Comments?