![]() Last Seen – When the network was last detected since start of scanning.Country Code – Country code of AP e.g.BSSID – Mac address of the wireless access point.Width – Width AP is operating in 20MHz or 40 MHz.Band – Displays whether AP is operating in 2.4GHz or 5GHz band.Frequency – Channel base frequency that AP operates in.Signal – Signal strength displayed as DBm (Lower numbers the better).Signal to Noise ratio – SNR displayed in DB (Higher numbers being better).Level – Signal strength displayed in bars.Signal to Noise History – History of SNR since launch of application.Security – Type of security used on available wireless network: WEP, WPA, WPA2.The information available gives details of: Upon starting the application the interface is very simple to follow. IStumbler for OS X is a wireless network discovery tool that scans for available wireless networks, bluetooth devices and bonjour services available to your Mac. System Requirements: Intel, 64-bit processor, OS X 10.8 or later, Airport Note: If using OS X Lion 10.7 Wi-Fi Diagnostics can be located at /System/Library/CoreServices/ Performance – Provides real time graph of signal strength (dBn) and signal to noise ratio (SNR). Wi-Fi Scan – Scans all available wireless networks within the spectrum of your area and gives recommendations for best 2.4 and 5 GHz channels available that are free to use. Logging – Allows you to capture logs for debugging events occurring on the associated wireless network. Info – Displays all network information about the AP to which your device is currently associated.įrame Capture - Allows capturing of data sent or received over the wireless network. The Utilities window opens and presents you with five options: Alternatively you can also press CMD+2 to open the application. From the menu bar select Window followed by Utilities to open the Mac Wi-Fi Scanner application. ![]() The Wireless Diagnostics window will appear, asking you to follow on screen instructions.Ĥ. When prompted, enter your administrator name and password.ģ. From the drop down list select Open Wireless Diagnostics.Ģ. ![]() Select option button followed by pressing on Airport icon on the menu bar. If you have OS X 10.7 or above there is now a useful built-in Wi-Fi scanner utility, which is used to discover nearby available wireless networks.ġ. This document provides an overview of 8 applications – some are free and others have a cost - that can be used to assist with Wi-Fi stumbling and surveying on Mac OS X. They can help in various ways to troubleshoot and diagnose wireless connectivity issues in the field: Whilst there is a large choice of Wi-Fi analytical tools available for the PC market, the choice available to MAC OS X users is somewhat limited.
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