Bluetooth Technology

Bluetooth Technologyhave been placed in the digital devices. The radio
What is Bluetooth?waves operate at 2.45 Ghz band on the
Bluetooth technology is a type of the wirelessBluetooth devices. Bluetooth supports the data
technology that eliminates the need for thespeed up to 721 Kbps and 3 voice channels. The
number of inconvenient cables and devices thatBluetooth chip can either be built into the devices
are used to connect the computers, mobileor it can be uses as an adapter. In computer it
phones, digital cameras, handheld devices and newcan be used with the USB port. Each Bluetooth
digital appliances. Bluetooth enables the users todevice has a 48 bit address from the IEEE 802
connect to a wide variety of telecommunicationstandards and the Bluetooth connections can be
and computing devices easily, without cables.either point to point or multipoint. Bluetooth range
It makes rapid ad hoc connections, automaticis 10 meter but it can be extended up to 100
unconscious connections between two or moremeters by increasing the power.
digital devices. Bluetooth provides the opportunityBluetooth devices are protected from the
of using the mobile data in different applications.external interference because they change their
Bluetooth makes wireless communication betweenfrequency up to 1600 times in a second. Bluetooth
the two devices in a localized area of a room ofradio technology provides the bridge between the
office or home very easily. Bluetooth technologyexisting data network. Bluetooth guarantees
uses radio-based links and all the connectionssecurity at the bit level and the authentication is
between the devices and invisible andcontrolled by the end user by using 128 bit key.
instantaneous.An important face of the Bluetooth technology is
By Bluetooth technology your laptop can sendthat it instantly forms a network when two or
print request to a printer in your next room.more devices come closer in the range of each
Bluetooth is actually a standard for wirelessother.
communication between the devices in a relativelyBluetooth Technology Benefits
small area and it is therefore works fine in theBluetooth technology is a convenient choice of
personal area network (PAN) using radiocommunication in a wire free, short range
frequency.environment. Bluetooth is a globally available
Any two devices that follow the Bluetoothstandard for connecting the devices like mobile
standard can communicate with each other. Aphones, digital cameras, laptops, MP3 Players, cars,
number of the Bluetooth devices like digitalstereo headsets etc. Bluetooth enable devices do
camera, mobile phone and handheld pc can form anot need to install any drivers. The key benefits
network. You can send emails to your mobileof the Bluetooth wireless technology are its
phones from your laptop without any physicalbuilt-in-security, low cost, easy of use, robustness,
connect between your laptop and your mobileand ad hoc networking capabilities.
phones.The Bluetooth wireless technology is available
Features of Bluetooth technologyglobally. Many manufactures from the different
• Bluetooth technology uses radio wavescompanies are busy to implement the technology
for communication in 2.4 GHzin their products. Bluetooth technology operates in
• It supports multipoint communicationthe 2.4 Ghz, one of the unlicensed, industrial and
not just point to point.scientific radio band. Bluetooth technology is a free
• Bluetooth works in a small area ofof charge service but your mobile phones set
10-15 meters.should support the GSM and CDMA technology.
• Bluetooth offers speed of 1-2 Mbps.Today mobile phones have built in capabilities and
• Bluetooth chipsets are less expensiveBluetooth functionalities in them. Bluetooth
though more expensive than IrDA.technology is available in the different range of
How Bluetooth Technology Worksthe devices like mobile phones, automobiles,
Bluetooth is a high speed wireless link technologymedical devices, industries and enterprises etc.
that uses the radio waves. It is designed toDue to the key features of the Bluetooth
connect the mobile phones, laptops, hand heldtechnology like low power consumption, low cost
devices and portable equipments with almost noand wireless features make it more popular.
work by the end users. Unlike infrared BluetoothBluetooth technology does not require any fixed
does not require line of sight between theinfrastructure and it is very simple to install and
connecting units. Bluetooth technology is asetup.
modified form of the current Wireless LANNo wires are required to connect the Bluetooth
technology and it's more acceptable for its relativedevices. You can connect to other Bluetooth
small size and low cost.enabled devices anytime if they come in your
The current circuits are contained on a circuitrange. Bluetooth wireless technology is widely
board of 0.9 cm square and a much smaller singlesupported and is secure wireless standard today.
chip version is in development and soon it will beBluetooth devices has built-in security features
in use. The cost of the Bluetooth device issuch as 128 bit encryption and pin code
expected to fall rapidly. Bluetooth chip has to beauthentication when Bluetooth devices identify
equipped in many devices. In Bluetooththemselves they use the pin code when they first
technology, small and inexpensive transceiverstime connect.