Bluetooth technology

small battery-powered devices. In short, Bluetooth applications are virtually limitless.

Bluetooth has several disadvantages, benefits and one would be extremely difficult to find minuses when taking into account the current competition. The only real downsides are speed and security. Infrared can have a data transfer rate up to 4 Mbit/s, which ensures very fast to transmit data, whereas Bluetooth offers only 1 Mbps.

For this reason, not entirely indispensable IR is considered by many to be complementary to Bluetooth technology. The infrared security inherent with line of sight.

Larger range and radio frequency (RF) Bluetooth make it more open to interception and attack. For this reason, security is a key aspect of the Bluetooth specification.

Although very few disadvantages, Bluetooth short-range wireless technology continues to be one of the best. For those who have struggled to love, and they are aware of the fact that Bluetooth is about in the coming years.

B) to continue technical Bluetooth technology for wireless links.
Bluetooth is a high-speed, low-powered wireless technology link, which is designed to connect telephones or other portable equipment together with little to no work required by the user. Unlike infrared, Bluetooth does not require line positioning in the site at work.

The current source circuit on a Board that is a rectangle 2.7 cm smaller circuit developed.
When a single Bluetooth device comes into contact with another, automatically exchanged addresses and details of ability. Security, which will be used as necessary, then link to 1 MB. The protocols involved in the processing of data and voice, with very flexible topography.

Technology achieves its goal by embedding tranceivers tiny, other than expensive short range to the currently available equipment. Radio operates on frequency 2,45 GHz and supports up to 721 KBps with three channels of voice.

Each unit offers a unique 48-bit IEEE 802 address from the default, connections are point-to-point or multi-point. Maximum range is 10 meters, although it may be extended to 100 m by increasing power. The devices are also protected from interference by changing their frequencies, also known as frequency hopping.
What is important is the fact that Bluetooth devices will not drain the battery life. Power consumption device specification targets, limiting the drain on the battery. The radio chip will consume only 0 .3ma booth mode, which is less than 5% of the energy that use standard phones.

Bluetooth to guarantee safety levels-the Authentification is controlled by the user through a 128-bit key radio service monitor fits what up to 128-bit with frequency hopping Bluetooth is very difficult to listen to.
TV set protocol is a combination of the circuit and packet switches. The slot can be reserved as well as the synchronous packets. The various frequency shall be forwarded to each hop. Usually includes a package of one slot though it may be extended to up to five slots.

Bluetooth also supports data channels of up to three simultaneous voice channels. Therefore, it is possible to transfer data while you talk at the same time. Each individual voice channel will support 64 KB.
From a technical stand and Bluetooth varies of course It’s wireless, how in the world. Surpassing even infrared for communications traveling very difficult indeed to Bluetooth competitive.

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