Importance Of Bluetooth

3. How Bluetooth works :

To know method of Bluetooth connection, we take an example of the wireless technology being used, so let’s take a phone connected to wireless speaker. First, each device is equipped with Bluetooth connectivity, a feature that requires both software and hardware components. On the hardware side, an antenna-equipped chip in both devices sends and receives signals at a specific frequency. The software interprets incoming Bluetooth signals and sends them out in ways other devices can read and understand. In wireless speaker, the phone will first confirm how to send audio files and information in a format that the speaker understands, while the speaker can interpret these signals–as well as other indicators such as volume

The radio operates on the globally-available unlicensed radio band, 2.45 GHz (meaning there will be no hindrance for international travelers using Bluetooth-enabled equipment.), and supports data speeds of up to 721 Kbps, and the voice channels. The bluetooth modules can be either built into electronic devices or used as an adaptor. For instance in a PC they can be built in as a PC card or externally attached via the USB port. Each device has a unique 48-bit address from the IEEE 802 standard. Connections can be point-to-point or multipoint.By increasing the power The maximum range is 10 meters but can be extended to 100 meters . Bluetooth devices are protected from radio interference by changing their frequencies arbitrarily upto a maximum of 1600 times a second, a technique known as frequency hopping. They also use three different but complimentary error correction schemes. Built-in encryption and verification is provided