Literacy Bluetooth: The name is derived from the King of Denmark

From 1994 until today, the Bluetooth technology, was on our side. 17 years many innovations, it is already outdated, in order to really understand the technology behind Bluetooth is a famous story of several people there. Its name comes from the Danish King
Tenth-century Danish King Harold Blåtand (Harold Bluetooth is), it is like the last leaf to be painted blue, was like a blueberry. "Bluetooth will," "Blåtand" is the corresponding English word. Great achievements of the king, established a kingdom that united the tribes of the north. Bluetooth is also a common standard, uniform communication protocols.
Its transmission range is larger than expected
Bluetooth is a short-range wireless networking standard, far beyond your imagination actually a Bluetooth phone, long distance communication. That, in most cases, the distance about 10 meters to communicate their new version of the communication distance up to 100 meters.
There are five versions.
The first version 1.2,2.0,3.0 and EDR and 4 were 1.1, HP and followed suit.
It may be confusing, the good news, but the problem is often not presented in different versions of Bluetooth mobile phone compatible with each other.
Several new Bluetooth security, you can offer low power consumption and better and faster communication distance. You can be backwards compatible with older versions.
At the same time to communicate with multiple devices
The latest version of Bluetooth, up to 7 devices and mobile phones can communicate with each other, can be used as a primary phone. "Piconet" These eight units consisting of a combination called. At any time, data from phone and mobile phone in the main is to be transferred, the main way to the cell phone survey response, the file transfer request quickly, you can switch to another one from the phone from the phone The.
Today more than ever
Now, 95 percent of phone support Bluetooth, Bluetooth-enabled mobile phones accounted for only 5%, compared to 2008 increased significantly. Statistics are through Bluetooth to use Bluetooth all day now more and more people are also more than 70% of consumers have shown that the mean open.