Bluetooth utilizes frequency to convey data, for the most part just works inside a brief distance for the devices to remain associated. It is utilized for exchanging information among fixed and cell phones over brief distances utilizing UHF radio waves in the ISM bands. The bands from 2.402 GHz to 2.48 GHz. It is utilized in Wireless transmission of audio, Wireless streaming of information collected by Bluetooth to phone and Wireless bridge between two Industrial Ethernet and more.