Yes, it will do. First of all, it is important which channels your clients support in your network. Many older clients may not support UNII-2 and UNII-2 Extended channels. If the clients do not support a channel it should not connect to your APs. If your location is close to an area that may contain a weather radar than you can not use some DFS channels (116-132). When your AP detects a radar in the area, it will be forced to move another channel and that channel may already be in use by another AP which causing channel interference. This channel changes will cause your clients disconnect/connect again and it will be problem for some applications like VoIP or sensitive devices that do not tolerate channel hopping. ... View more