InformIT: Five Ways to Increase Your Wi-Fi Network's Range > 1. Relocate Modem and Router (Free!): "Discover ways to extend your wireless network, from things you can do without spending a dime to adding additional APs. Whether your signal needs a little boost, or you need to quadruple the Wi-Fi footprint, Eric Geier, author of Wi-Fi Hotspots: Setting Up Public Wireless Internet Access, comes to your side. Soon you'll be able to surf and share much more efficiently."