WiFi Overview 360 (free version) WiFi Overview 360 is an universal information tool for wifi networks, inclusive widget (the pro version have more widgets and have no ads). With this tool you can manage and optimize your used wireless network and and with one look you'll get detailed information of the WLANs (WLAN name (SSID), signal strength, channelnumber, encryptionin - open or not) in your environment. The tab "Ch check" (channel checker) and "Ch. radar" (channel radar) are powerful tool to optimize your own wlan network. For best performance your network must use a channel or frequency range where are no other wireless networks or little as possible. WiFi Overview 360 gives you the best choice for the channel. Main features are: wlan scanner detailed wlan information add WLANs manually endless list of known WLANs (previously limited to 16) graphical representation of all wireless networks in the operating range channel checker for the best channel choice included 2x1 widget Tablet support WLAN Internet connection check and much more ... The "Pro" version contains no ad, have more widgets, have a powerful "WiFi Sniffer", can set "Quick connect shortcuts" and can set WLAN priority.  
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