Which frequency band is commonly used by Bluetooth technology?

Options

  • A. 900 MHz
  • B. 2.4 GHz ISM band
  • C. 5 GHz
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. 2.4 GHz ISM band

Detailed Explanation

Explanation: Bluetooth operates in the 2.4 GHz ISM (Industrial, Scientific and Medical) band. It uses frequency-hopping techniques to reduce interference and improve communication reliability.