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Bluetooth Technical Operations

Bluetooth is a high speed, low powered wireless link
technology that's designed to connect phones or other
portable equipment together with little to no work
required by the user. Unlike infrared, Bluetooth
doesn't require line of site positioning to work.

Current bluetooth phones prototype circuits are contained on a board
that is 0.9 cm square, with a much smaller circuit
board being developed.

When one Bluetooth device comes in contact with
another, they will automatically exchange addresses
and details of capability. Then, they can establish
a 1 MB link with security that they will use as
required. The protocols involved with handle both
data and voice, with a very flexible topography.

The technology achieves its goal by embedding tiny,
non expensive short range tranceivers into the
devices available today. The radio operates bluetooth phones on the
2.45 GHz frequency band, and supports up to 721
KBps, along with three voice channels.

Each devices bluetooth offers a unique 48 bit address from
the bluetooth phones IEEE 802 standard, with the connections being
point to point or multipoint. The max range is
10 meters, although it can bluetooth headphones bluetooth headset be extended to 100
meters by increasing the power. The devices are
also protected from radio interference by changing
their frequencies, also known as frequency hopping.

What's important, is the fact that Bluetooth
devices won't drain battery life. The specification
targets power consumption of the device, limiting
the drain on the battery. The radio chip will
consume only 0.3mA in stand by mode, which is less
than 5% of the power that standard phones use.

Bluetooth will also guarantee security at the bit
level. The authentification is controlled by the
user via a 128 bit key. The radio signals can
be coded with anything up to 128 bit. With the
frequency hopping, Bluetooth is already very
hard to listen into.

The bluetooth phones baseband protocol is a combination of both
circuit and packet switches. Slots can be reserved
for synchronous packets as well. Each packet
will be transmitted in a different hop frequency.
Normally, a packet covers a single slot although
it can be extended to cover up to five slots.

Bluetooth can also support data channels of up to
three simultaneous voice channels. Therefore,
it's possible bluetooth phones bluetooth headset to transfer the data while you talk
at the same time. Each individual voice channel
will support 64 KB.

From a technical standpoint, Bluetooth is very
different indeed. It's the best wireless method
in the world, surpassing even infrared. For
communication on the go, Bluetooth is indeed
very hard to compete with.

A synopsis on bluetooth products .
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Featured bluetooth products Items
Informatics WASP WWS 800 WIRELESS SCANNER ( 633808920029 )

Informatics WASP WWS 800 WIRELESS SCANNER ( 633808920029 )
Wasp Freedom Scanner gives you the wireless freedom to roam. With the Freedom, you can take your scanner to your inventory instead of your inventory to your scanner. The Wasp Freedom Scanner uses Bluetooth technology which allows you to scan bar codes and transmit the data upwards of 160 feet depending on the environment. Scan bar codes from 1 to 10 inches with aggressive CCD scan engine.

Turn Your Serial Device Into A Wireless Bluetooth Device with The Startech.com

Turn Your Serial Device Into A Wireless Bluetooth Device with The Startech.com
Turn your serial device into a wireless Bluetooth device! With the StarTech.com RS-232 serial to Bluetooth adapter you can use your PC to communicate with a serial device up to 100 meters away. It allows you to connect a power adapter to the unit for serial devices that are DB9 powered and can reach transfer rates of 460 kbps. This adapter is excellent for on-the-go applications saving you time and the weight of carrying bulky cables.

TRENDnet Bluetooth USB Adapter

TRENDnet Bluetooth USB Adapter
TRENDnet TBW-102UB High Power Bluetooth USB Adapter - This USB adapter lets you easily add Bluetooth support to your desktop or notebook PC. It supports up to 7 devices, such as headsets, printers, mobile phones, PDAs, and more. Notebook users will also appreciate that this device is a slim USB stick that can fit easily into most any accessory pouch in a laptop bag. High-Speed wireless data transmission, up to 723Kbps Data Throughput in ACL mode, and up to 64Kbps in SCO mode Compatible with Windows 98SE, Me, 2000, XP, 2003 Server, Mac OS X 10.2.8 or above Built-in 128-bit encryption for secured data communications Supports up to 7 slave devices Supports Generic Access (GAP), Service Discovery Application (SDAP), Serial Port (SPP), Dial-up Network(DUN), Fax, File Transfer (FTP), LAN Access (LAP), Synchronization (SYNC), Object Push (OPP), Generic Object Exchange (GEOP), Headset (HSP), and Hardcopy Cable Replacement (HCRP), Human Interface Device (HID) device Trouble Free Plug & Play Installation 2-Year Warranty

News about bluetooth products
Cobra To Unveil Bluetooth CB - Twice

Tue, 19 Feb 2008 19:12:53 GMT

Cobra To Unveil Bluetooth CB Twice, NY - 7 hours ago By Amy Gilroy -- TWICE, 2/19/2008 10:18:00 AM A preview of some of the new kid-oriented products expected to be shown at Toy Fair next week. ...

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