The Wireless Signal to Noise Ratio report displays wireless infrastructure devices with the lowest overall SNR percentages discovered by your network during the selected reporting interval. Use the navigation tree at the left side of the page to select specific groups from which to display data. Signal to Noise Ratio data for five, ten, fifteen or twenty devices can be displayed in both tabular and graphical format. Additionally, you can define a range to only display access points polled during a specific time period using the date button.
When you view the Signal to Noise Ratio report in tabular format, the following information is displayed:
Note: Percentages reported likely will never reach 0 or 100. Generally, A Signal to Noise ratio of 40% is considered good. Anything less than 20% is considered poor.
When you view the Signal to Noise Ratio report in graphical format, the x axis represents the selected date range and the y axis represents the percentage of average signal to noise ratio for the selected devices within the specified time interval. Each device on the graph is color-coded. Click the Show Legend check box below the graph to display the legend listing the device names and corresponding colors.