In this video I explain about some of the advance WiFi concepts like how to secure your WiFi network by encrypting and the types of wifi encryption offered how to get the best WiFi range by selecting a uncongested WiFI channel and repeaters.
Part 1 of WiFi routers basics http://youtu.be/n415NO7t4Mk
Increase your WiFi range with a WiFi repeater http://www.youtube.com/watch?v=VWhXzgWtkG8