Quote:
Originally Posted by oliver1948uk
Are some devices using the 2.4 band and others the 5 band? Could be interference from next door on one or other band.
---------- Post added at 11:47 ---------- Previous post was at 11:45 ----------
I use on my phone the app WiFi Analyzer to check for interference.
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I'd be willing to bet money you're on the right track here. It might not be Wifi interference on those bands though, other devices can cause interference that you can't see using a Wifi analyser app. Still, it's the first thing to check.