True or false? Wi-Fi, Bluetooth, and cordless phones all use the same frequency ranges.
Explanation: The correct answer is false. Wi-Fi uses two different frequency ranges: 2.4 GHz and 5 GHz. Bluetooth also uses the 2.4 GHz frequency range. However, cordless phones operate at a lower ~900 MHz frequency range.
Exam with this question: 13.2.4 Check Your Understanding – Network Technologies in the Home