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.