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This section allows to monitor the Instant DFS tool operation in real time. To display the data in this section, the frequency selection must be set to "Instant DFS" or "Instant DFS and radar detection" mode. To enable the required mode, go to the "Radio" section.
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Several dynamic frequency selection modes are available for the Quanta 5 family devices. Please note, the time taken for the initial scan is the same for all modes and depends on the number of frequency channels allowed by the frequency grid. In addition to the described algorithms, an operation frequency can be changed because of the EVM threshold outreaching.
Instant DFS
In the Instant DSF mode the optimal frequency is selected only by analyzing RSSI values. The algorithm of the Instant DSF mode is following:
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In case the radar is detected on the frequency channel, this channel is blocked and cannot be selected as an operational for 1800 seconds. By default, the on-channel CAC test time for the 5600-5650 frequency range is 600 seconds, for other frequency channels - 60 seconds.
Instant DFS and radar detection
In the Instant DFS and radar detection mode, both RSSI statistics and the statistics of the radar sequences presence are taken into account when selecting an operating frequency. This mode differs from the Mandatory DFS and radar detection by the background tool for checking the radar sequences presence on frequency channels that are not currently used as an operatinal, this tool is named off-channel CAC.
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