Effective with Bluetooth
Bluetooth is a tool that can make people easier in transferring data. This is a low power wireless link that usually found in cell phone but it can be used in computer too. This one is different from infrared that has to put the devices on the same position without any obstacle. It has small range, but today it is under the preparation for larger and wider range.
The system of Bluetooth is very simple, when a Bluetooth device comes in contact with another device, they will change the addresses automatically. It can establish 1 MB link with the security. The flexible topography will be involved by the protocols to handle data and voice. Each device has very unique 48 bits address from IEEE 802 standard. The maximal range of this Bluetooth is 10 meters and it can be expanded to 100 meters by increasing the power. This device is also protected by the radio frequency. Bluetooth is very friendly to your battery. The power consumption is only 0.3mA. It is very efficient.
Bluetooth can also be used while you are phoning with the three simultaneous voice channels. This is the best small wireless in the world, better than infrared to be exact.
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