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?
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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 –
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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
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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 transfer
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FUTURE Phones may become an “all-in-one” device – Retail – Travel
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