Bluetooth Technology

Bluetooth technology                          

Bluetooth technology allows devices to communicate to other with out cables or wires. Mobile phone, laptop, desktop, smart watch keyboard etc. Jaap Haartseen invented Bluetooth In 1994 Bluetooth was published. Jim Kardach named it Bluetooth. Bluetooth is popular by 10 billion devices. Bluetooth is popular by its convenience and easy use. Hedy Lamar is the mother of Bluetooth technology. Bluetooth was first used on 1999. Bluetooth has a transfer rate up to 2.1 Mbps. Bluetooth technology is powerful by -20 dBm (0.01mW) to + 20 dBm (100 mW). The range of Bluetooth was about 33 feet.                                 

The least versions of  Bluetooth technology.
      

• Bluetooth 5.2 (2020)

• Bluetooth 5.1 (2019)

• Bluetooth 5 (2016)

• Bluetooth 4.2 (2014)

• Bluetooth 4.1 (2013)

• Bluetooth 4 (2010)

• Bluetooth 3 + HS (2009)