One of the fastest and easiest ways is to upgrade your system to a Hi-Gain Range Extending Products.  Two out of ten tips recommend users to upgrade to the Hi-Gain Range Extending Products to improve your wireless range.

 

See the article:  http://www.microsoft.com/athome/moredone/wirelesstips.mspx

 

See the Hi-Gain Solution: http://www.hawkingtech.com/products/index.php?CatID=32