Perhaps The Prince Should Sort Them Out.
News5 mins ago
No best answer has yet been selected by alan30. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.Wireless signals are affected by the environment, I got called out to a house where he had poor wireless connectivity, he had spent ages on help lines etc before calling us out.
All that was required was to lift the router up off the floor, this vastly improved his wireless signal.
Also, try changing the channel the router is transmitting on, most default to 11, you say that there are other networks in the vicinity, chances are they are using the same channel as yours.