MAIN FEATURES OF BLUETOOTH TECHNOLOGY:-

o It is wireless
o It is inexpensive.
o You don’t have to think about it i.e., does not require you to do anything special to make it work.
o Operates in the 2.56 GHz ISM band, which is globally available.
o Uses FHSS (Frequency Hopping Spread Spectrum)
o Can support up to 8 devices in the Pico net.
o Omni-directional, non line of sight transmissions through walls.
o 10m to 100m range.
o 1mW power.
o Extended range with external power amplifier (100m).
o Its main strength is its ability to simultaneously handle both data and voice transmissions.
o It is capable of supporting one asynchronous data channel and up to three synchronous voice channels, or one channel supporting both voice and data.