SIM7070G support using regular uart (not usb)

Aleksander Morgado aleksandermj at
Mon Nov 28 10:14:19 UTC 2022

Hey Jorge

> So I'm back again with my questions about the SIM7070G modem using a regular UART instead of USB.
> I have the modem fully working with a simple PPP + CHAT script, but it hangs if I try to use ModemManager.
> The problem is now I don't have much time to investigate where/why it exactly hangs (ie: which at command delivered by ModemManager is "offending" the modem).
> As a quick&dirty fix: Is there any way to specify a "custom" chat script to ModemManager?

There is no such thing sorry. The way to go from here would be to
gather the MM debug logs and analyze where it is not working as


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