What is Bluetooth?

What is Bluetooth?


BLUETOOTH is a communication system of the device electrode Nick duplex. With a short radio waves (Short-Range Radio Links) without using cables or cable connections. And no need to use the trip as a linear infrared Which is considered convenience than infrared connection. The connection between mobile devices, mobile predecessors. And in research. Not intended only for information only. But also to study the transmission of voice. Headset for use on mobile phones with

Operation of Bluetooth?

Bluetooth uses radio signals, high frequency 2.4 GHz. (Giga Hz), but is broken away. Each country. Made in Europe and America will use a range 2.400 to 2.4835 GHz. Is divided into 79 channels and will be used to share this channel. Switch channels to send data back and forth 1600 times a second part, Japan will use the frequencies 2.402 to 2.480 GHz. Is divided into 23 channels Range of Bluetooth can be found at 5-10 m with a protection system by entering a code before. connection and communication between the anti-trap signal. The system will switch the channel back and forth. Will be able to choose to change the frequency that is used to connect automatically. Without the need to sort by channel number. Eavesdrop or make stealth more difficult to steal information.

The core of Bluetooth is designed for use with devices that are smaller because the number of transport is not much like images, sounds, applications such Nation. And can be moved easily. Request has been set only a short (about 5-10 meters), also low-power, low power consumption and long operation time. Without having to be charged frequently with

The ability of Bluetooth to transfer data at 1 Mbps (1 megabits per second) and would not have much problem with the size of the files that we use on mobile phones, or use of a general Which is considered very excessive. If the data is large it was,. Would be too slow. And if is comparable to Wireless LAN (WLAN) and Bluetooth capabilities of each class would be far much In the WLAN range, it has been - submitted to further But the advantages of Bluetooth is a smaller size. Installation easier and more importantly the energy is much less at 0.1 watts when compared with the waves and mobile. Still far apart on several times as well.
The benefits of Bluetooth?

- PC with a mobile phone.

If we need to connect your computer to devices such as keyboard, mouse Foster Print or speakers connected to present Most of the cable is connected to all (Serial and USB), which may be inconvenient in terms of functional mobility and completed various If your PC has a Bluetooth device can be fitted to approach each other with waves instead of wires connecting devices for all file transfer images, audio, data, as well as systems connected via CSD and GPRS mobile phone. It can be done without wires. This reduces the complexity. Also increase the convenience of working more with

However, restrictions on use, it is as well. Connect various portable devices. Whether it is a Notebook computer or Pocket PC to the Internet. Can only be used on a device that only one piece, maybe to switch jobs often. (For those who use wireless devices, most generous), but it is considered convenient than using cables offline.

- Mobile Phone with Headset (Smalltalk).

Smalltalk headset or handset that the user must have used almost all the same. The prices now range from 30-300 baht in use on a mobile handset. If a wired headset. Limitation is that We can not be moved far beyond where the line is long. Then I have to watch not to go on line items. Maybe the cable out of the machine, but when used with Bluetooth to replace the manual. I would add convenience and safety in the use of both hands working simultaneously with another in a drive. (This law has been issued. About the use of mobile phones on the bus) while exercising or when such action Works. Can move easily go. Just pick up the headset and then remove the ear clip phone waist Then it can talk about it then.

The benefits will be seen that Bluetooth technology can be applied to the daily life as well. And increasing ease of use with various devices. And in addition to the aforementioned Bluetooth has been developed for use with other devices as well as stereo headphones. CD radio, remote, even in the car. Currently, Bluetooth technology has been used both to set Handsfree, or remote launch - Keyless door or system, but we do not have to press the key again. Just within the work. Lock the doors will open soon. The time the car was able to walk out of the car flew off it. When the connection between lack of car keys with each other. It will automatically lock to. (Some cars have started to use different. Mercedes-Benz SLR).
Bluetooth in the future?

Replace the current cable with a Bluetooth may also have some problems, such as in terms of prices higher than the cable is enough. So, if Bluetooth devices that use these technologies can reduce the price. (But it depends on many factors other side), the Bluetooth technology. It should be used instead of the wired communication is widespread ridicule Of course side.


Bluetooth headset models from Samsung is expected to be released in the third quarter of 2004, this

Hau near future Bluetooth wireless standard into the mobile phone PDA computer Tong One Bush as well as consumer electronics. Marketing and communications will change the way new Innovation, research has increased in product development - service Including communications that can be done easily and quickly. It seems that everything's going to be pretty, so Bluetooth is the future technology of interest and watch the offline.

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