Please help a brother out I will give Brainliest

You may see this symbol at many public locations (including restaurants, hotels, etc.) that indicates the establishment has wireless internet available. What must the public establishment have in order for you to receive the signal on your laptop computer?

A)
A radio which can receive fm transmissions.


B)
A device to transmit the radio signals over a short distance.


C)
A large radio tower attached to the top of the establishment.


D)
Fiber optics cables that can be directly attached to your computer.