Bluetooth networking standard transmit
Low power radio frequency data. Bluetooth
It communicates at a frequency of 2.45 GHz. This very
The frequency band is secured by the international
Agreement on the use of industry and healthcare
device.
Many devices are known and used
Advantages of this frequency band. Garage door
Opener, baby monitor, and next-generation
All mobile phones use this frequency in ISM
Band bluetooth and other
It is important that the devices do not interfere with each other
Part of the design process.
Bluetooth is one of the ways to avoid interference
With other electronic devices
A weak signal of about 1 mw. In comparison,
You can send the most powerful a mobile phone
3 watt signal.
Low power signals limit the range of a
A Bluetooth device, to about 32 feet off,
Possible interference with your computer
Other electronic devices. Despite it being low
Power, Bluetooth does not require gaze
Between communication devices. Wall of
Your home will not stop the signal, making it great
For the room throughout the house.
Bluetooth can connect eight devices simultaneously.
Each device has the same radius,
Each one that interferes with the weird thing
Others, though it is very unlikely. Bluetooth
Use technology known as infrequent
Hopping, which makes it harder for more
One device transmitting on the same frequency
at the same time.
In this technology, the device uses 79
Within each randomly selected frequency
Nomination ranges, which change from each other,
Regularly.
In the case of Bluetooth, the transmitter is
Frequency of change 1,600 times or more every
Second, more devices are full
Use of wireless spectrum. All
Bluetooth transmitter uses spread spectrum
Automatically, it is very two
The transmitter is at the same frequency with
It's the same time
When the Bluetooth device comes within close range
Electronic conversation of each other
About whether it happens
Whether you need to take shared data or totals
Control User has no button
Press or command to give-as a conversation
It occurs automatically.
When a conversation occurs, the device
Form a network. Bluetooth device
Create a PAN (Personal Area Network) or piconet
It may fill the room. If there is a piconet
Once established, the device will dive freely
frequency
Bluetooth in action
In the United States, Bluetooth gets absolutely not
Respect but it is getting more and more
Notebook, Pda, especially in cells
It's a phone Bluetooth offers a wireless user a
How to send small amounts of data on short
distance.
Now, Bluetooth is facing tough competition from
New wireless technology. Referred to as UWB or
Ultra-wideband, it promises upstream data transfer
To 480mbs-While most of Bluetooth currently
The device transfers up to 721 KB of data.
Bluetooth device is sure for the time being
Trimming up. Below, we will look at some
Accessories provided with bluetooth technology.
Conversation with dashboard
CCM Blue when combining it with a mobile phone
Warrior car kit makes it a great talking phone
Plug it into your car's power adapter. this
Noise Canceling Microphone Reduces Background
Make noises efficiently, with the creation of large buttons
Snap to adjust the speaker volume. However
Blue warriors are sexy or sleekly far, it is
Very practical.
Small adjustment box
Department MP3 player and part hands, release the phone
Compact, lightweight Sony HBM-30 is attractive
Gadget that accepts calls with minimal
Interruption of your song. When you get an incoming call
It automatically calls will pause your music
You speak to the built in to that microphone
There are many cultural assets in the clip that arrived.
pen
With the Nokia SU-1B digital pen, you can doodle
Make handwritten notes with ink on special pads
Then send from pad to Bluetooth
Instead of typing in the cell
Phone keypads and pens are very useful,
Expensive tool from MMS fans.
snap shot
If you want to make a slide show with your camera
Photos, Nokia SU-2 image viewer will let you
disply your picture of TV or projector. simply
Hook this square gray device to TV input
Built in cable and then emit picture
SU-2 from your Bluetooth enabled phone
The photofest begins.
This device is a snap to set up and use
It displays a resolution of up to 640 x 480. if
You have a new phone that takes high resolution
Pictures, you can not use Nokia SU-2
Image viewer.
Remember, a 640 x 480 pixel photo
No matter how you do not appear on the TV screen in blocks
do. If your phone can send a batch of photos
Can create a slide show
You can also use beam shots sequentially.
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