Articles on Bluetooth | Topic: bluetooth
by Jaime Haynes
A Guide For Those Who Don't Know What Bluetooth Is
There was a time when the world was vast, mystic, and beyond one's imagination. The communication was a dreaded task, because the messages used to take a very long span of time to reach from one point to the next. But as soon as the technologies started peeping through the horizon, it utterly modified everything within its grasp. Since then every throbbing moment has been a new moment with the newer and newer technology. Computer technology came to the scene with the global revolutionary effect. But again, this is going to be a topic of history today. The Bluetooth technology is the latest and the most powerful technology that has made the globe completely wireless. Now the question arises: what the Bluetooth technology actually means?
Bluetooth technology is a radio-based wireless communication technology, by the dint of which the cable connections of the modern hi-tech devices have been completely cut off – thereby maintaining a high degree of efficiency with utmost security. Each Bluetooth enabled electronic device is cent percent capable to successfully communicate, at a time, with as many as seven other Bluetooth enabled devices within a short range of distance – ranging from 1 meter to 10 meters depending on the radio class. In such case all the devices to be connected must lie within a single network system. This needs no cables, no wires – nothing and hence the users find an end to the headache due to false connections and/or loose connections. This is the end of snaking around of wires behind the desktop also.
There are in fact three class categories of range – Class 1, Class 2 and Class 3, which the operation of the device depends on. The highest range of operation falls under Class 1 Radios, which is of 100 meters or 300 meters range. This category is specifically used in case of the industries and generally not for domestic purpose. The second highest range of operation falls under Class 2 Radios, with an operation range of 10 meters or 30 meters. This category has found its scope in case of the mobile devices. Lastly, the Class 3 Radios is used to operate the devices within a very short range of 1meter or 3 feet.
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The most lucrative and interesting fact about this technology is that, it transmits not only the data but is equally efficient in managing the voice transmissions as well. By this one can really enjoy a sequence of remarkable facilities of hands-free systems for almost all the electronic devices – starting from a mere mobile phone to the hi-tech Personal Digital Assistants with an exceptionally low power consumption property. This wireless communication technology enables a wide range of electronic devices, like a digital camera, a PDA, a mobile phone and a laptop, to get wirelessly interconnected and coordinated to perform a wide varieties of tasks simultaneously with astonishingly high degree efficiency. The Bluetooth technology has cast a serious favorable impact on the modern industrial, medical, and other scientific aspects – accelerating the scientific advancement to a far higher pace.
Bluetooth connects a device to the other through the latest network system – commonly called "Piconets". This technology smartly operates at 2.40 GHz to 2.485 GHz ISM band, while only the former (i.e. 2.40 GHz) is unlicensed and easily available in most parts of the world. ISM, here, refers to Industrial, Scientific and Medical band. While operating, Bluetooth technology uses spread spectrum, frequency hopping and full-duplex signal at a rate -- as lower as – 1600 hops per second. AFH -- Adaptive Frequency Hopping is another supportive technology, which makes the Bluetooth interference tolerant. This enables Bluetooth to send and receive an interference free transmission. The latest version of Bluetooth technology is 2.0+ Enhanced Data Rate, which supports a data rate of 3 Mbps. This version was adopted in the year 2004, November. Prior to this, 1.2 version was adopted in 2003, November, which supports at most 1 Mbps data rate.
The world is on move with Bluetooth and this technology has earned the worldwide acceptance for it high degree of reliability and efficiency. Science is taking a new turn and is going to get a new shape. Bluetooth will likely become a household name to everyone in the world as well.
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