will this product increase the range at which i can pick up wireless networks...?

[baseball7069]

if not what does it do http://cgi.ebay.com/D-Link-DWL-G630-Wireless-G-Cardbus-Adapter-Card-Network_W0QQitemZ260267247023QQihZ016QQcategoryZ45000QQssPageNameZWDVWQQrdZ1QQcmdZViewItem