The UNII-2 section also contains four channels – 52, 56, 60, and 64. How do I enable DFS? Sign in to view. In the UK/EU, channels 36, 40, 44 and 48 are not subject to DFS.
If you can avoid the DFS channels then great. The vast majority of devices run on one of these four channels.

These DFS channels are great to use because normally your neighbors don't have them available and they enable you to use a clean channel. Do I need to do anything on my devices to use DFS? DFS is automatically enabled on eero networks running eeroOS v3.19 and higher. Airtime Fairness Feature - Disabled. They are designated for general domestic use, and you can access them freely at any time. But if you need 8 channels then make sure 4 of them are the non-DFS channels. It is a lengthy process that can cause several minutes of downtime while it listens on other channels to make sure it can find a clear one. Below is a screenshot of Netspot showing all the signals in my area. But with the DFS channels there are five 80 MHz channels for 11ac. The main problem with these channels is that most people use them so the traffic is very heavy. However, all remaining channels are subject to DFS. Multi-User MIMO Feature - Enabled . When you select one of these middle channels, I have mine set to 52, for example, the router will see if any radar is detected. Please tell me if you need any more information. Unfortunately, many of those channels overlap, so, when it’s all said and done, you can really only use three that won’t have some sort of interference with the other channels.

Better yet, with the restoration of the TDWR channels there will be six 80 MHz channels … Wider channels mean more opportunity to overlap a DFS frequency. They tend to be crowded however, since every administrator wants to use them. Just wondering is there is any benefit for using either type of channel? Your network will check channel conditions regularly and shift to the least congested channel when necessary. DFS is required only in the …

Although DFS give you the choice to use DFS channels but it may be annoying when there is radar operating nearby.

Here are my current settings if it helps: Mode - 802.11a/n/ac/ax mixed. Yes when I remove phys2 I can use DFS channels, but I would like to use phys2 :(This comment has been minimized.
DFS steps up your channel game by giving your router access to channels previously restricted to radar systems, namely airports.

Consider this: Without the DFS channels there are only two 80 MHz channels for 11ac (i.e., the combination of channels 36/40/44/48 for one 80 MHz channel and the combination of channels 149/153/157/161 for another 80 MHz channel). Copy link Quote reply Emilv2 commented Feb 17, 2018. commands mark the specified channel with the highest priority to be chosen, but not the only channel that can be used. There are no problems using Channel 36 to 64; however, clients can't even detect the SSID if I use Channel 100 to 140. If any part of a channel touches a defined DFS frequency, then that channel is off-limits if a radar is detected, or if DFS channels are not in use. In Brazil, the TPC use in 5.150–5.725 GHz band is optional.

Channel - 140(DFS) Transmit Power - High. Is any of them faster than the other (in terms of connection speed to a client device) or does that make no difference at all? Maybe you can set country "FR" for phy2. Sign in to view. All devices don’t support the high U-NII-3 channels so this leaves us the lower channels from 36 to 48.