This article is an introduction on the RF Environment: Scan and Suggested Channel features.
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Normally, channel planning is a multi-step process that requires a lot of time to do it properly. The WiFi spectrum must be scanned, manually analyzed, and a channel plan created. Suggested Channels does this automatically: after an RF scan has been triggered, the best channel found will be selected and automatically set, based on how busy the channel is, the RSSI of the channel, and whether or not the same SSID is already transmitting on that channel.
How to Set Up Suggested Channels
Follow these steps to set up the Suggested Channels feature:
1. In the UniFi Network application go to the UniFi Devices tab and click on the desired UAP to open the Properties Panel.
2. In the UAP's Properties Panel go to Config > Radios.
3. Set the Channel to "Auto". And save your changes.
4. Now navigate to Tools > RF Environment to start an RF Scan by clicking the Scan button.
When the RF scan is complete, the results will be shown. The area representing the UAP's current channel will be shaded with diagonal lines. Because you selected Channel: Auto in step 3, the UAP will automatically set the radio to the best channel. This decision is based on how busy the channel is, the RSSI of the channel, and whether or not the same SSID is already transmitting on that channel.