I'm having trouble figuring out what is going on, since my tool set is
limited given the devices. I have 2 Cambium E400 APs at different
corners/floors of my house. My WIFI Laptop does not ever seem to have a
problem. My Android Phone and tablet however will randomly, once every
2 or 3 days, start buffering a video I'm watching, then I see the WIFI
icon at the top of the screen get an 'X' on it after about 5 seconds,
then about 10 seconds later the 'X' disappears and it starts working
again without any intervention from me. My Phone will do the same
thing, switch to 4G, then a few seconds later go back to WIFI. The only
other thing on the WIFI that acts up is a UBNT WIFI video camera, it
just disconnects from the WIFI and I have to power cycle it to get it
back, Signal level is perfect right up until it disconnects. The only
fix I found for it was to put an old UNIFI AP right on the other side of
the wall from the camera, and it has been stable since. A 2nd UBNT WIFI
camera stays connected to the E400's just fine. (Although reading the
UBNT Forums, the WIFI on those cameras is garbage)
So Since it's so random, and happens so fast, I can't get any tools on
the phone launched before it's reconnected. I pull up a WIFI scanner as
soon as I can, and everything looks normal with signal levels to my
AP's, and my neighbors AP's. I've had the E400's in place for a couple
years, but this seems like it's only happened since the summer, maybe
after an E400 software upgrade, but I'm not sure. For several months
after I installed the UBNT WIFI camera, it was running perfect, then
started continually disconnecting, so I think that it's something with
the E400's, but I have nothing solid to go to cambium support with. I
don't want to open a ticket saying 'Wifi sometimes breaks' because that
will not do anybody any good, and I get enough tickets like that from my
customers.
Are there any android diagnostic tools that would log connection/signal
in the background? An Actual windows PC never seems to have a
connectivity problem.
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