Apple today released AirPort Utility 6.0 for Mac OS X Lion.
Use AirPort Utility to set up and manage your Wi-Fi network and AirPort base stations, including AirPort Express, AirPort Extreme, and Time Capsule. See a graphical overview of your Wi-Fi network and devices. Change base station and network settings, or manage advanced features such as security modes, wireless channels, and more.
AirPort Utility 6.0 for Mac OS X Lion is available via Software Update and also as a standalone installer.
More info and download link (14.13 MB) here
iMajenta 