NetSpot is a powerful network and administration application for Mac and Windows users. It provides users with the ability to quickly and easily analyze, optimize, troubleshoot, and visualize their wireless networks. With the help of NetSpot, users can quickly visualize and optimize their wireless networks, detect and locate weak coverage areas, troubleshoot and fix interference and other issues, analyze and compare networks, and more. NetSpot also features advanced features such as a network survey tool, Wi-Fi site survey, and a range of powerful tools for network troubleshooting. It is an ideal tool for both novice and advanced users who want to ensure their wireless networks are running optimally.
Free, displays if a/b/g/g/n/ac, displays speeds, has 'monitor mode', compatible with most current and older adapters. Does what it says.