单项选择题

What is one thing you should be aware of when conducting a wireless site survey？（）

A. 5 GHz equipment will not be able to penetrate through walls as well as 2.4 GHZ equipment.
B. 2.4 GHz equipment will not be able to penetrate through walls as well as 5 GHz equipment.
C. Mounting antennas near metal objects will slightly amplify the signal.
D. When determining coverage， you should begin measuring attenuation from the middle of the room.

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