1.

Consider the following 1. Bluetooth device 2. Cordless phone 3. Microwave oven4. Wi-Fi device Which of the above can operate between 2.4 and 2.5 Ghz range of radio frequency band ?

A. 1 and 2 only
B. 3 and 4 only
C. 1,2 and 4 only
D. 1,2,3 and4
Answer» E.


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