I'm using a cellphone repeater. There are many to choose from but this model also does data. Just put the antenna on your roof and run a coax cable into your house and hook it up. I was bareley getting a signal at my house. Now I have 5 bars in every room.
Wi-Ex zBoost YX500-CEL Cell Phone Repeater Kit
http://cgi.ebay.com/Wi-Ex-zBoost-YX5...QQcmdZViewItem