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AirSleuth-Lite Screenshots
Below are sample screenshots from AirSleuth-Lite. They are divided into two categories: 2.4 GHz Spectrum Analysis and 802.11 Network Discovery. The data acquired and analyzed for spectrum analysis uses the wireless device that was shipped with the Sleuth product, while the data displayed for 802.11 network discovery (i.e. Wi-Fi Scanning) uses your 802.11 wireless adapter. All Sleuth products (i.e. AirSleuth-Pro, AirSleuth-Lite and WifiSleuth) support all features and charts associated with 802.11 network discovery.
2.4 GHz Spectrum Analysis
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Full Spectrum Trace View Description: The RF signal strength data is plotted as a function of frequency. The horizontal white lines define the frequency range of each of the Wi-Fi channels. This makes it easy to visually correlate RF frequencies with WiFi channels. |
802.11 Network Discovery
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Grid of Access
Points Description: This grid of local access points is updated in (semi) realtime -- that is, scans are performed approximately once every 5 seconds. |
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Timecourse of
Beacon Qualities For Each Access Point Description: This chart displays the beacon strength of each access point as a function of time. The Y-axis reports the signal strength as a signal quality (0 - 100%) -- where a maximum signal is assumed to be -20 dBm and the dissociation signal is -85 dBm (http://www.ces.clemson.edu/linux/dbm-rssi.shtml). |
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Differential
Display of Beacon Qualities For Each Access Point Description: This chart displays the current beacon strength of each access point compared with an earlier snapshot. The current beacon strength is displayed in purple, the snapshot in light-blue, and the difference in olive green. |
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Usage of Each
of the 802.11 b/g Channels Description: This chart combines the access points by channel and displays a summary of channel usage. As in most of the other charts, the Y-axis reports the signal strength of beacons as a signal quality (0 - 100%). In this view the data for each channel represents a collection of access points -- hence the signal quality as displayed along the Y-axis is often greater than 100%. This is because we are summing the signal qualities for each of the access points that use a particular channel. |
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Timecourse of
the Usage of Each of the 802.11 b/g Channels Description: This chart combines the access points by channel and displays a summary of channel usage as a function of time. As in most of the other charts, the Y-axis reports the signal strength of beacons as a signal quality (0 - 100%). In this view the data for each channel represents a collection of access points -- hence the signal quality as displayed along the Y-axis is often greater than 100%. This is because we are summing the signal qualities for each of the access points that use a particular channel. |
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Heatmap Chart
of the 802.11 b/g Channels Description: This chart combines the access points by channel and displays a summary of channel usage as a Heatmap. The Heatmap chart is also known as a "waterfall" graph. It is a 3-dimensional representation of the data, where the X-axis is the channel, the Y-axis is a time scale, and the "Z-axis" is the beacon signal quality that uses color scale. Each horizontal line in the Heatmap chart displays beacon signal strength (as a color) as a function of channel as measured over the time period of one scan. That is, with each scan (or sweep) a new row is added at the bottom of the Heatmap chart. The color legend to the right shows that stronger signals will appear red and weaker signals will appear blue. |
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Channel
Spectrogram of the 802.11 b/g Channels Description: The Channel Spectrogram chart is a 3D view of channel usage as a function of time. Each channel is represented by its own set of bar graphs -- the X-axis is the channel, the Z-axis is a time scale, and the Y-axis reports the signal strength of beacons as a signal quality (0 - 100%). In this view the data for each channel represents a collection of access points -- hence the signal quality as displayed along the Y-axis is often greater than 100%. This is because we are summing the signal qualities for each of the access points that use a particular channel. |
