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Presented by:Shankar Singh Yadav
Guided by:Mr. Simrat Singh Gill
OUTLINE
What is Bluetooth?
What kinds of devices use Bluetooth?
What are the advantages of Bluetooth?
What is the maximum range of Bluetooth
devices?
How do Bluetooth devices avoid interference
with other devices?
WHAT IS IT?
Bluetooth is an industry specification for short
range data transmission between personal
devices
HISTORY
1998 – Bluetooth Special Interest Group formed
1999 – Bluetooth 1.0 specification released
2000 – First mobile phone and headset
2004 – Bluetooth 2.0 specification released
2006 – Bluetooth SIG announces integration
with WiMedia Alliance version of UWB
Nearly 2 billion products shipped in 10 years
(1998-2008)
Bluetooth Devices
SPECIFICATIONS
2.4 GHz frequency band
Frequency hopping
1-3 Mbps data rate
3 Classes
– Class 1 – 100 meter range
– Class 2 – 10 meter range
– Class 3 – 1 meter range
ADVANTAGES
Low cost
– Chips cost under $3
Easy synchronization
Low power usage
SECURITY
Bluebugging, Bluesnarfing, Bluejacking no
longer a threat
– Only affects older devices
– Patches
Tips
– Non-Discoverable Mode
– Only pair with known devices, do not pair in
public
– Change your PIN
WIMEDIA ALLIANCE
March 16 - Agreed to a technology transfer with
Bluetooth SIG
UWB prototypes running Bluetooth protocol
480 Mbps
Low power usage
BLUETOOTH 3.0
Announced April 21, 2009 (Today)
Uses Wi-Fi to achieve faster data transfer
speeds
24 Mbps
Bluetooth used to pair devices
Data transfer handed off to Wi-Fi
– Both devices must have Wi-Fi
– Otherwise uses Bluetooth for data transfer
FUTURE
Phones may become an “all-in-one” device
– Retail
– Travel
THANK YOU
QUERRY