Pros:

• Since the signal can travel through walls and floors, the PCs can be physically located wherever you want. This is especially convenient if you want to use a laptop, connected to your home network, when you are outside..

Cons:

• The radio signals used are fairly weak and have a limited range.
• You may also experience interference when you use other radio devices like portable phones and microwaves.
• This solution is very slow. Transferring a file via a wireless network can take nearly five times longer than it takes to transfer the file via a phone line network.
• There are security issues. There is no concrete way to protect others from intercepting your signal.

Other Multi-Room Solutions:

• Use existing telephone line outlets
• Use existing power outlets