Interference Problems
If nobody else is using a Wi-Fi network or any other 2.4 GHz device within about half a mile, you won't have to worry about interference to your network, but that's becoming less likely every day. Other network services, along with cordless phones, microwave ovens, outdoor lighting systems, and radio-controlled toys, all use the same set of frequencies. In addition, several nearby home or office networks are probably using their own Wi-Fi networks. It's often a radio jungle out there.
The type of radio modulation used by wireless Ethernet networks is supposed to overcome interference from all those other services. That's the theory. The engineers who work with the various 2.4 GHz radio services are trying to cooperate so we ...
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