PC World: How to Extend Your Wi-Fi Network: Tips and Tricks to Boost Your Wireless Network Range at Home or in the Office:

If you’re not getting the range you want from your home or office wireless network, there are many ways you can go about expanding your coverage. In this guide we’ll discuss some of the most popular methods, many of which involve upgrading and purchasing new gear (always a fun topic). Before you spend a cent, make sure to check out our tips on how to fix your Wi-Fi network to see how you may be able to get better Wi-Fi coverage from changing your router’s channel or placement. If those tips don't do the trick, keep reading for a few more specific ways to extend the range of your wireless network.