Thank you for that bit of info. I note DFS = dynamic frequency selection. I wasn't expecting modern kit to not have this capability given that some older devices I had were capable of DFS as a matter...

It is the latest firmware - 1.2.0 Build 20160713 rel.54201. I am in UK. the only 5GHz channel options are auto / 36 / 40 /44 / 48.

Model : Hardware Version : Firmware Version : ISP : Just got a C9 to upgrade my old Belkin router (used as access point). Locally (central London) there are many 2.4GHz users. I moved to 5GHz a few...