Maybe this? FCC ID: QO8-WIFI-M-0210

https://fccid.io/QO8-WIFI-M-0210

On Tue, Jan 4, 2022 at 7:16 PM Russell Senior <russ...@personaltelco.net> wrote:
>
> Those addresses are all in AWS address space, according to whois. As a
> previous commenter suggested, it might just be NTP. Did you notice
> what port the communication was happening over?
>
> Have you considered popping the case and seeing if there is a serial
> console port on their wifi module? It's reasonably likely it is
> running some ancient version of linux. Is there an FCC-ID on the case?
>
> On Tue, Jan 4, 2022 at 6:49 PM Chuck Hast <wch...@gmail.com> wrote:
> >
> > Well folks, I was able to get wireshark on the thermostat. I found
> > that it is trying to contact these addresses:
> > 54.209.187.172
> > 107.21.255.187
> > 3.214.34.120
> > Right now none are reachable. I am trying to figure out why this
> > thermostat is trying to reach those addresses.
> > When I do a whois, they come up as being hosted on Amazon...
> > I wonder if one of them comes awake every so often and the
> > thermostat gets the connection and receives a TZ change... So
> > far I have not been able to catch it doing so.
> > When I bought the unit I intentionally did NOT try to use the
> > cloud service, I have tried to get proper communications with
> > Radio Thermostat but so far only idiots... And they do not have
> > a published telephone number.
> >
> >
> > On Tue, Jan 4, 2022 at 4:53 PM Chuck Hast <wch...@gmail.com> wrote:
> >
> > > More info, this was the reply I got from the manufacturer
> > > -----------------------SoF------------------------------------------
> > > Radio Thermostat <radiothermos...@tstatsupport.com>
> > > 1:10 PM (3 hours ago)
> > > to Info, me
> > > Hi,
> > >
> > > If you are sure you have a WiFi module in the thermostat Model - RTMV-01
> > >
> > > Then check out the following to see and correct the time zone so the
> > > thermostat will have the correct time:
> > >
> > > How to change time zone
> > >
> > > First go to the web portal via a browser 
> > > *https://my.radiothermostat.com/rtcoa/login.html
> > > <https://my.radiothermostat.com/rtcoa/login.html>*
> > >
> > > (Note you will need to use the desktop version of the web site)
> > >
> > > Then log in and go to the person (then select location)
> > >
> > > select the location you want and click edit
> > >
> > > Go to the pull down for time zone and select your time zone
> > >
> > > Then click save
> > >
> > >
> > > -----------------------------------EoF---------------------------------
> > > This is exactly what I have tried to avoid, I never registered
> > > the thermostat with their cloud. I have my personal reasons
> > > for not wanting my devices on someone's cloud if I can avoid
> > > it. in this case that is exactly what I have tried to do.
> > >
> > > Now meantime, since the thermostat IP is static, I went into
> > > the firewall and set up a rule to drop any packets to/from
> > > the thermostat. No more time change, and I did that well over
> > > and hour ago. I can still control the device on my LAN just
> > > dropping whatever is trying to reach the thermostat.
> > >
> > > This brings up the question, of who/what is it? I never
> > > registered the device with their cloud, indeed I bought
> > > it because it was one of the thermostats that did not
> > > require you to use an outside network to access it, (I am
> > > looking at you Honeywell, Nest and all of the rest of the
> > > cloud only based devices). Now to see if I can get Wire
> > > shark on a part of the network that can see that device.
> > > Suspend the rule and try to catch the packet session.
> > >
> > >
> > > On Tue, Jan 4, 2022 at 9:41 AM Chuck Hast <wch...@gmail.com> wrote:
> > >
> > >> Sorry, should have, not there is not. But the interesting thing
> > >> is that as long as it cannot contact the network there is no
> > >> time change. I think I am going to go into the firewall and
> > >> make it drop all packets to/from the device and see what
> > >> happens. If that takes care of it then maybe allow it to talk
> > >> on the LAN but drop anything going to/from it on the WAN
> > >> side.  I would like to see what it is talking to. So far I have
> > >> not been able to catch it.
> > >>
> > >> On Mon, Jan 3, 2022 at 11:00 PM Erik Lane <erikl...@gmail.com> wrote:
> > >>
> > >>> You don't mention this, but since it's always 2 hours, is there a time
> > >>> zone
> > >>> setting in there that has gotten off? Maybe it's talking to a NTP 
> > >>> server?
> > >>>
> > >>> On Mon, Jan 3, 2022 at 8:49 PM Chuck Hast <wch...@gmail.com> wrote:
> > >>>
> > >>> > Folks,
> > >>> > Not sure where to take this but figured that I would get more
> > >>> > info here.
> > >>> >
> > >>> > I have a RadioThermostat CT80. I have had it now for several
> > >>> > years. As the summer wound down. I shut down the A/C and
> > >>> > opened the windows in the house. Then in Nov I needed to fire
> > >>> > up the heating, all appeared to be well, but I noticed that the
> > >>> > thermostat clock was 2 hours slow. I set it and a while
> > >>> > later see that it has lost 2 hours again.
> > >>> >
> > >>> > I have a home automation system. I checked the logs, and
> > >>> > contacted the author. He has a CT50 which has fewer bells
> > >>> > and whistles than mine but same unit. Anyhow he gave me
> > >>> > some guidance, in the end I shut down the HA system and it
> > >>> > still would drop the 2 hours, I powered the thermostat down
> > >>> > and removed the WiFi radio, powered it back up, it ran about
> > >>> > 4 hours (about 3 hours longer) and never dropped the 2 hours.
> > >>> > Normally it will go between 20 minutes and an hour after I
> > >>> > have set it to the correct time, then drop back to the incorrect
> > >>> > time. So this appears to indicated that it is either something
> > >>> > on the network that is doing the time change or something in
> > >>> > the WiFi radio.
> > >>> >
> > >>> > I am trying to sniff the network and see if I can catch any
> > >>> > weird packets. But this is one I have not done before.
> > >>> >
> > >>> > My router is a Mikrotik 2011, and I have been trying to use
> > >>> > the tools on it to try to monitor the IP address of the thermo-
> > >>> > stat and try to see if it is talking to something else. So far
> > >>> > no joy.
> > >>> >
> > >>> > I am wondering about getting wire shark in there and trying
> > >>> > to filter those packets that way as I am not having much luck
> > >>> > with the Mikrotik tools
> > >>> >
> > >>> > Any recommendations?
> > >>> > --
> > >>> >
> > >>> > Chuck Hast  -- KP4DJT --
> > >>> > I can do all things through Christ which strengtheneth me.
> > >>> > Ph 4:13 KJV
> > >>> > Todo lo puedo en Cristo que me fortalece.
> > >>> > Fil 4:13 RVR1960
> > >>> >
> > >>>
> > >>
> > >>
> > >> --
> > >>
> > >> Chuck Hast  -- KP4DJT --
> > >> I can do all things through Christ which strengtheneth me.
> > >> Ph 4:13 KJV
> > >> Todo lo puedo en Cristo que me fortalece.
> > >> Fil 4:13 RVR1960
> > >>
> > >>
> > >
> > > --
> > >
> > > Chuck Hast  -- KP4DJT --
> > > I can do all things through Christ which strengtheneth me.
> > > Ph 4:13 KJV
> > > Todo lo puedo en Cristo que me fortalece.
> > > Fil 4:13 RVR1960
> > >
> > >
> >
> > --
> >
> > Chuck Hast  -- KP4DJT --
> > I can do all things through Christ which strengtheneth me.
> > Ph 4:13 KJV
> > Todo lo puedo en Cristo que me fortalece.
> > Fil 4:13 RVR1960

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