What is a radome?

A.
A type of semi-circular ceiling found in atriums and that is a heavy cause of RF reflection.

B.
A weatherproof piece of plastic covering an antenna or antenna system.

C.
The unit used to measure the signal reflected backward by the end of a cable.

D.
A piece of metal positioned behind APs mounted on outdoor poles, designed to limit the butterfly effect.

E.
The unwanted signal coverage provided by either side or back lobes in directional antennas.