Xirrus Wi-Fi Inspector
is a powerful tool for managing and troubleshooting the Wi-Fi on a Windows XP SP2 or later, Vista, or 7laptop. Built in tests enable you to characterize the integrity and performance of your Wi-Fi connection.
Applications include: Searching for Wi-Fi networks
Managing and troubleshooting Wi-Fi connections
Verifying Wi-Fi coverage
Locating Wi-Fi devices
Detecting rogue APs