Which of the following is a wireless communication standard that utilizes a carrier frequency in the 2.4 GHz and 5 GHz bands?
Correct answer: A. Bluetooth
- A. Bluetooth
- B. cellular networks
- C. satellite communication
- D. infared
Explanation
Bluetooth is a short-range wireless communication standard commonly used in devices like smartphones, laptops, speakers, and headphones. It operates in the unlicensed Industrial, Scientific, and Medical (ISM) radio bands, specifically the 2.4 GHz and 5 GHz bands.
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