【单选题】
What approximates the signal attenuation of a plasterboard wall?()
A、Crowd of people
B、Office window
C、Metal door
D、Brick wall
A、Crowd of people
B、Office window
C、Metal door
D、Brick wall
A、IBM Power Configurator Tool B、IBM xREF Sheets C、IBM Configuration & Options Guide COG D、IBM ServerProven