Which of the following communications technologies does not use broadcast radio signals?
A)Bluetooth
B)Wi-Fi
C)IR
D)UWB

Name: Which of the following communications technologies does not use broadcast radio signals? A)Bluetooth B)Wi-Fi C)IR D)UWB
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Question

Quizplus · Accepted Answer

Bluetooth, Wi-Fi, and UWB use radio signals to communicate wirelessly. However, infrared (IR) communication uses non-radio frequency light waves to transmit data, which makes it the only technology on the list that does not use broadcast radio signals.

Which of the Following Communications Technologies Does Not Use Broadcast