问题:
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.
● 参考解析
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