Craig, regarding your previous log, I wrote:

[…] your log shows there are wifi reconnects to the same network every four minutes.

With the running v3 client, each reconnect means a full retransmission of all metrics, as also logged. If that 4 minute period also occurs while on cellular, that's your culprit.

When Wifi gets disconnected the module switches to cellular if available. So if your Wifi situation has changed, i.e. if there are no or few reconnects now, that would also explain your new observation. You can tell by checking your logs. Regards, Michael Am 08.08.25 um 02:05 schrieb Craig Leres:

On 8/1/25 15:20, Craig Leres wrote:

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You could also try a smaller keepalive value (e.g. a minute?) or determine and apply the keepalive interval of your MQTT hub.

I built and booted 3.3.005-20-g60be058e. Did I set the keep alive to one minute correctly?

That seemed to do the trick; I have all three of my modules running with that version and my daily hologram.io usage has stayed under 1MB.

I'm still curious why there can be so much cellular data when the unit is in range of wifi.

        Craig

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