Bluetooth's definition:
Bluetooth is a specification for the use of low-power radio communications over short distances for wireless phones, computers, and other network wireless devices. The name Bluetooth was actually borrowed 1,000 years ago from King Harald Bluetooth of Denmark.
Bluetooth technology is designed to support simple wireless networking of devices and devices, including cell phones, PDAs, and wireless headsets. Wireless signals transmitted via Bluetooth can cover short distances of up to 30 feet, typically less than 1 Mbps (megabytes per second). Bluetooth networks have a dynamic topology called PAN or Piconet. Beacons have a minimum of two and a maximum of eight bear devices. Devices will communicate using protocols that are part of the specification.
Although the Bluetooth standard uses the same 2.4 GHz range as 802.11b and 802.11g, this technology is not compatible with Wi-Fi converters. Compared to Wi-Fi, Bluetooth is much slower, out of range, and actually supports fewer devices. For short distance devices, Bluetooth is rapidly becoming better.
Since Bluetooth headsets are the way to go these days, this technology is very popular in cell phones. To use Bluetooth, it must be enabled on your cell phone or have an infrared device somewhere on the phone.
Upcoming devices such as the PS3 and Nintendo Revolution also use Bluetooth. The wireless controllers will be Bluetooth enabled, which will give players a cutting edge. If you have a cell phone or other wireless device, you should check out Bluetooth. Technology is nothing short of spectacular, it can last for years and years. As technology gets bigger, and bigger, we can expect Bluetooth to progress.
Advantages of Bluetooth:
Bluetooth, you have not to set the link or press any buttons. When two or more devices enter the range of up to 30 feet from each other, they will automatically start communicating without you anything to do.
Bluetooth has a lot to offer with the increasingly tough market. Helps to bring freedom from Bluetooth cables and simplicity in networking. In the core market of wireless and handheld devices, the closest competitor to Bluetooth is infrared. Infrared has many important features, however the line of sight it provides does not pass through walls or barriers such as Bluetooth technology. Unlike infrared, Bluetooth is not a line of sight, and it offers limits of up to 100 meters. Bluetooth is low power and low processing with overhead protocol. This means that it is best integrated into small battery-powered devices. In short, Bluetooth applications are endless.
Disadvantages of Bluetooth:
Bluetooth has many positive aspects, and it can be very difficult to spot flaws when given the current competition. The only real flaws are the data rate and security. Infrared can hold data rates up to 4 Mbps, which provides very fast rates for data transfer, while Bluetooth offers only 1 Mbps.
Bluetooth has a high range and is very open to radio frequency (RF) interception and attack. For this reason, security is a very important aspect of Bluetooth specification.
Despite the very limited flaws, Bluetooth is still great for short-distance wireless technology. Those who have tried this will love it, and they know it will be Bluetooth for many years to come.
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