On what technology does the Bluetooth work?
2018
On what technology does the Bluetooth work?
- A.
Microwave
- B.
Radio Frequency
- C.
Fibre optics
- D.
Electro-magnetic waves
Attempted by 439 students.
Show answer & explanation
Correct answer: B
The correct option is B: Radio Frequency. Bluetooth technology operates using short-range, low-power Radio Frequency (RF) waves in the unlicensed Industrial, Scientific, and Medical (ISM) band at 2.4 GHz. It utilizes frequency-hopping spread spectrum (FHSS) to connect devices over short distances without a direct line of sight.