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tools-survey [2024/10/17 15:52] – [Wireless Survey Notes and Troubleshooting] -Formatting hogwild | tools-survey [2024/10/27 19:25] (current) – [Wireless Survey] -Condense hogwild | ||
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- | Your router' | + | Your router' |
Note that some WiFi networks are " | Note that some WiFi networks are " | ||
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===== Noise and SNR ===== | ===== Noise and SNR ===== | ||
- | For each frequency, the signal-to-noise ratio (SNR) | + | For each frequency, the signal-to-noise ratio (SNR) |
- | In the image below, the top of the ellipse represents the RSSI, and the translucent band at the bottom of the chart represents Noise level. | + | In the image below, the top of the ellipse represents the RSSI, and the translucent band at the chart's bottom |
- | **SNR** (Signal-to-Noise ratio) is also displayed | + | **SNR** (Signal-to-Noise ratio) is also shown in this edited image in the form of a red line. It represents the amount of “good” signal. \\ |
To calculate the SNR we add together the RSSI and the positive integer of the recorded Noise value, in dBm. | To calculate the SNR we add together the RSSI and the positive integer of the recorded Noise value, in dBm. | ||
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This setting is purposely " | This setting is purposely " | ||
- | **Style:** represents how translucent the ellipses and noise figures will appear.\\ This is saved in a browser cookie. \\ \\ **SSID text **(in pixels)**: | + | **Style:** represents how translucent the ellipses and noise figures will appear.\\ This is saved in a browser cookie. \\ \\ **SSID text **(in pixels)**: |
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{{: | {{: | ||
- | At the bottom | + | At the menu bottom is a table showing the following for each network: |
- | | + | \\ |
+ | |||
+ | | ||
* RGB - the unique colours associated with that SSID | * RGB - the unique colours associated with that SSID | ||
* SSID - that network' | * SSID - that network' | ||
- | * BSSID - the MAC address of that network' | + | * BSSID - the MAC address of the network' |
* RSSI - that network' | * RSSI - that network' | ||
* SNR - the Signal-to-Noise ratio of that network | * SNR - the Signal-to-Noise ratio of that network | ||
* Signal Quality - a calculation of expected WiFi performance | * Signal Quality - a calculation of expected WiFi performance | ||
- | * Control | + | * Control/Central channel, including band and sideband width |
* Security - the security protocol active on that network | * Security - the security protocol active on that network | ||
* 802.11 - the supported WiFi protocols | * 802.11 - the supported WiFi protocols | ||
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However, there is a caveat: the radio(s) of the FreshTomato router performing the survey limit its ability to detect the actual channel widths of signals. | However, there is a caveat: the radio(s) of the FreshTomato router performing the survey limit its ability to detect the actual channel widths of signals. | ||
+ | |||
+ | \\ | ||
For example, if your router has: | For example, if your router has: | ||
- | | + | \\ |
- | * an 802.11n | + | |
- | * an 802.11ac | + | |
- | * an 802.11ax | + | * An 802.11n radio, all channel widths > 40 MHz display |
+ | * An 802.11ac radio, all channel widths > 80 MHz display | ||
+ | * An 802.11ax radio, all channel widths > 160 MHz display | ||
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- | Also, while this tool is fully functional, you are advised to also use another WiFi scanner, such as a smartphone app. Adding this data will give you both the client' | + | Though |
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